Finding the Fourth Proportional to 147,047.31, 220,215.69 and 83,675.43

Step by Step Solution

1. Step 1: Write the proportion equation
   147,047.31 : 220,215.69 = 83,675.43 : x
2. Step 2: Convert to fraction form
   147,047.31/220,215.69 = 83,675.43/x
3. Step 3: Cross multiply
   147,047.31x = 220,215.69 × 83,675.43
4. Step 4: Simplify right side
   147,047.31x = 18,426,642,553.50
5. Step 5: Solve for x
   x = 18,426,642,553.50/147,047.31
6. Step 6: Final answer
   x = 125,310.98