Finding the Fourth Proportional to 329,085.30, 492,753.15 and 329,085.30

Step by Step Solution

1. Step 1: Write the proportion equation
   329,085.30 : 492,753.15 = 329,085.30 : x
2. Step 2: Convert to fraction form
   329,085.30/492,753.15 = 329,085.30/x
3. Step 3: Cross multiply
   329,085.30x = 492,753.15 × 329,085.30
4. Step 4: Simplify right side
   329,085.30x = 162,157,818,193.70
5. Step 5: Solve for x
   x = 162,157,818,193.70/329,085.30
6. Step 6: Final answer
   x = 492,753.15