Finding the Fourth Proportional to 2,665,815.06, 3,998,311.92 and 868,693.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,665,815.06 : 3,998,311.92 = 868,693.98 : x
2. Step 2: Convert to fraction form
   2,665,815.06/3,998,311.92 = 868,693.98/x
3. Step 3: Cross multiply
   2,665,815.06x = 3,998,311.92 × 868,693.98
4. Step 4: Simplify right side
   2,665,815.06x = 3,473,309,495,066.24
5. Step 5: Solve for x
   x = 3,473,309,495,066.24/2,665,815.06
6. Step 6: Final answer
   x = 1,302,907.15