Finding the Fourth Proportional to 766,061.23, 1,057,279.42 and 581,996.91

Step by Step Solution

1. Step 1: Write the proportion equation
   766,061.23 : 1,057,279.42 = 581,996.91 : x
2. Step 2: Convert to fraction form
   766,061.23/1,057,279.42 = 581,996.91/x
3. Step 3: Cross multiply
   766,061.23x = 1,057,279.42 × 581,996.91
4. Step 4: Simplify right side
   766,061.23x = 615,333,350,160.20
5. Step 5: Solve for x
   x = 615,333,350,160.20/766,061.23
6. Step 6: Final answer
   x = 803,243.04