Finding the Fourth Proportional to 2,709,311.38, 4,061,122.24 and 911,570.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,709,311.38 : 4,061,122.24 = 911,570.72 : x
2. Step 2: Convert to fraction form
   2,709,311.38/4,061,122.24 = 911,570.72/x
3. Step 3: Cross multiply
   2,709,311.38x = 4,061,122.24 × 911,570.72
4. Step 4: Simplify right side
   2,709,311.38x = 3,702,000,126,293.28
5. Step 5: Solve for x
   x = 3,702,000,126,293.28/2,709,311.38
6. Step 6: Final answer
   x = 1,366,398.91