Finding the Fourth Proportional to 1,134,498.12, 1,565,640.22 and 625,233.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,134,498.12 : 1,565,640.22 = 625,233.30 : x
2. Step 2: Convert to fraction form
   1,134,498.12/1,565,640.22 = 625,233.30/x
3. Step 3: Cross multiply
   1,134,498.12x = 1,565,640.22 × 625,233.30
4. Step 4: Simplify right side
   1,134,498.12x = 978,890,401,363.33
5. Step 5: Solve for x
   x = 978,890,401,363.33/1,134,498.12
6. Step 6: Final answer
   x = 862,840.04