Finding the Fourth Proportional to 147,870.48, 204,062.08 and 83,340.72

Step by Step Solution

1. Step 1: Write the proportion equation
   147,870.48 : 204,062.08 = 83,340.72 : x
2. Step 2: Convert to fraction form
   147,870.48/204,062.08 = 83,340.72/x
3. Step 3: Cross multiply
   147,870.48x = 204,062.08 × 83,340.72
4. Step 4: Simplify right side
   147,870.48x = 17,006,680,671.90
5. Step 5: Solve for x
   x = 17,006,680,671.90/147,870.48
6. Step 6: Final answer
   x = 115,010.65