Finding the Fourth Proportional to 147,111.31, 203,007.63 and 83,447.74

Step by Step Solution

1. Step 1: Write the proportion equation
   147,111.31 : 203,007.63 = 83,447.74 : x
2. Step 2: Convert to fraction form
   147,111.31/203,007.63 = 83,447.74/x
3. Step 3: Cross multiply
   147,111.31x = 203,007.63 × 83,447.74
4. Step 4: Simplify right side
   147,111.31x = 16,940,527,926.26
5. Step 5: Solve for x
   x = 16,940,527,926.26/147,111.31
6. Step 6: Final answer
   x = 115,154.49