Finding the Fourth Proportional to 148,498.30, 204,925.17 and 83,966.50

Step by Step Solution

1. Step 1: Write the proportion equation
   148,498.30 : 204,925.17 = 83,966.50 : x
2. Step 2: Convert to fraction form
   148,498.30/204,925.17 = 83,966.50/x
3. Step 3: Cross multiply
   148,498.30x = 204,925.17 × 83,966.50
4. Step 4: Simplify right side
   148,498.30x = 17,206,849,286.81
5. Step 5: Solve for x
   x = 17,206,849,286.81/148,498.30
6. Step 6: Final answer
   x = 115,872.37