Finding the Fourth Proportional to 929,730.83, 1,394,443.15 and 869,209.25

Step by Step Solution

1. Step 1: Write the proportion equation
   929,730.83 : 1,394,443.15 = 869,209.25 : x
2. Step 2: Convert to fraction form
   929,730.83/1,394,443.15 = 869,209.25/x
3. Step 3: Cross multiply
   929,730.83x = 1,394,443.15 × 869,209.25
4. Step 4: Simplify right side
   929,730.83x = 1,212,062,875,433.90
5. Step 5: Solve for x
   x = 1,212,062,875,433.90/929,730.83
6. Step 6: Final answer
   x = 1,303,670.74