Finding the Fourth Proportional to 105,138.52, 145,086.10 and 59,812.24

Step by Step Solution

1. Step 1: Write the proportion equation
   105,138.52 : 145,086.10 = 59,812.24 : x
2. Step 2: Convert to fraction form
   105,138.52/145,086.10 = 59,812.24/x
3. Step 3: Cross multiply
   105,138.52x = 145,086.10 × 59,812.24
4. Step 4: Simplify right side
   105,138.52x = 8,677,924,633.86
5. Step 5: Solve for x
   x = 8,677,924,633.86/105,138.52
6. Step 6: Final answer
   x = 82,538.01