Finding the Fourth Proportional to 105,463.55, 145,539.59 and 59,532.86

Step by Step Solution

1. Step 1: Write the proportion equation
   105,463.55 : 145,539.59 = 59,532.86 : x
2. Step 2: Convert to fraction form
   105,463.55/145,539.59 = 59,532.86/x
3. Step 3: Cross multiply
   105,463.55x = 145,539.59 × 59,532.86
4. Step 4: Simplify right side
   105,463.55x = 8,664,387,010.57
5. Step 5: Solve for x
   x = 8,664,387,010.57/105,463.55
6. Step 6: Final answer
   x = 82,155.28