Finding the Fourth Proportional to 1,145,782.52, 1,581,123.20 and 662,301.62

Step by Step Solution

1. Step 1: Write the proportion equation
   1,145,782.52 : 1,581,123.20 = 662,301.62 : x
2. Step 2: Convert to fraction form
   1,145,782.52/1,581,123.20 = 662,301.62/x
3. Step 3: Cross multiply
   1,145,782.52x = 1,581,123.20 × 662,301.62
4. Step 4: Simplify right side
   1,145,782.52x = 1,047,180,456,779.58
5. Step 5: Solve for x
   x = 1,047,180,456,779.58/1,145,782.52
6. Step 6: Final answer
   x = 913,943.47