Finding the Fourth Proportional to 647,047.48, 974,065.15 and 581,945.68

Step by Step Solution

1. Step 1: Write the proportion equation
   647,047.48 : 974,065.15 = 581,945.68 : x
2. Step 2: Convert to fraction form
   647,047.48/974,065.15 = 581,945.68/x
3. Step 3: Cross multiply
   647,047.48x = 974,065.15 × 581,945.68
4. Step 4: Simplify right side
   647,047.48x = 566,853,006,081.05
5. Step 5: Solve for x
   x = 566,853,006,081.05/647,047.48
6. Step 6: Final answer
   x = 876,060.91