Finding the Fourth Proportional to 102,374.47, 141,348.79 and 71,812.52

Step by Step Solution

1. Step 1: Write the proportion equation
   102,374.47 : 141,348.79 = 71,812.52 : x
2. Step 2: Convert to fraction form
   102,374.47/141,348.79 = 71,812.52/x
3. Step 3: Cross multiply
   102,374.47x = 141,348.79 × 71,812.52
4. Step 4: Simplify right side
   102,374.47x = 10,150,612,808.85
5. Step 5: Solve for x
   x = 10,150,612,808.85/102,374.47
6. Step 6: Final answer
   x = 99,151.80