Finding the Fourth Proportional to 1,317,104.52, 1,974,239.43 and 861,524.17

Step by Step Solution

1. Step 1: Write the proportion equation
   1,317,104.52 : 1,974,239.43 = 861,524.17 : x
2. Step 2: Convert to fraction form
   1,317,104.52/1,974,239.43 = 861,524.17/x
3. Step 3: Cross multiply
   1,317,104.52x = 1,974,239.43 × 861,524.17
4. Step 4: Simplify right side
   1,317,104.52x = 1,700,854,978,145.71
5. Step 5: Solve for x
   x = 1,700,854,978,145.71/1,317,104.52
6. Step 6: Final answer
   x = 1,291,359.16