Finding the Fourth Proportional to 76,434,399,690.48, 105,479,961,205.68 and 42,603,839,937.36

Step by Step Solution

1. Step 1: Write the proportion equation
   76,434,399,690.48 : 105,479,961,205.68 = 42,603,839,937.36 : x
2. Step 2: Convert to fraction form
   76,434,399,690.48/105,479,961,205.68 = 42,603,839,937.36/x
3. Step 3: Cross multiply
   76,434,399,690.48x = 105,479,961,205.68 × 42,603,839,937.36
4. Step 4: Simplify right side
   76,434,399,690.48x = 4,493,851,383,805,732,978,688
5. Step 5: Solve for x
   x = 4,493,851,383,805,732,978,688/76,434,399,690.48
6. Step 6: Final answer
   x = 58,793,572,030.44