Finding the Fourth Proportional to 76,594.69, 105,699.15 and 42,602.45

Step by Step Solution

1. Step 1: Write the proportion equation
   76,594.69 : 105,699.15 = 42,602.45 : x
2. Step 2: Convert to fraction form
   76,594.69/105,699.15 = 42,602.45/x
3. Step 3: Cross multiply
   76,594.69x = 105,699.15 × 42,602.45
4. Step 4: Simplify right side
   76,594.69x = 4,503,042,344.24
5. Step 5: Solve for x
   x = 4,503,042,344.24/76,594.69
6. Step 6: Final answer
   x = 58,790.53