Finding the Fourth Proportional to 76,329.64, 105,336.59 and 42,337.02

Step by Step Solution

1. Step 1: Write the proportion equation
   76,329.64 : 105,336.59 = 42,337.02 : x
2. Step 2: Convert to fraction form
   76,329.64/105,336.59 = 42,337.02/x
3. Step 3: Cross multiply
   76,329.64x = 105,336.59 × 42,337.02
4. Step 4: Simplify right side
   76,329.64x = 4,459,636,938.85
5. Step 5: Solve for x
   x = 4,459,636,938.85/76,329.64
6. Step 6: Final answer
   x = 58,426.02