Finding the Fourth Proportional to 861,233.29, 1,188,456.71 and 473,974.69

Step by Step Solution

1. Step 1: Write the proportion equation
   861,233.29 : 1,188,456.71 = 473,974.69 : x
2. Step 2: Convert to fraction form
   861,233.29/1,188,456.71 = 473,974.69/x
3. Step 3: Cross multiply
   861,233.29x = 1,188,456.71 × 473,974.69
4. Step 4: Simplify right side
   861,233.29x = 563,298,400,700.67
5. Step 5: Solve for x
   x = 563,298,400,700.67/861,233.29
6. Step 6: Final answer
   x = 654,060.18