Finding the Fourth Proportional to 76,591.42, 105,694.32 and 42,599.82

Step by Step Solution

1. Step 1: Write the proportion equation
   76,591.42 : 105,694.32 = 42,599.82 : x
2. Step 2: Convert to fraction form
   76,591.42/105,694.32 = 42,599.82/x
3. Step 3: Cross multiply
   76,591.42x = 105,694.32 × 42,599.82
4. Step 4: Simplify right side
   76,591.42x = 4,502,559,007.02
5. Step 5: Solve for x
   x = 4,502,559,007.02/76,591.42
6. Step 6: Final answer
   x = 58,786.73