Finding the Fourth Proportional to 1,915,470.42, 2,643,348.32 and 1,099,726.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,915,470.42 : 2,643,348.32 = 1,099,726.72 : x
2. Step 2: Convert to fraction form
   1,915,470.42/2,643,348.32 = 1,099,726.72/x
3. Step 3: Cross multiply
   1,915,470.42x = 2,643,348.32 × 1,099,726.72
4. Step 4: Simplify right side
   1,915,470.42x = 2,906,960,777,771.11
5. Step 5: Solve for x
   x = 2,906,960,777,771.11/1,915,470.42
6. Step 6: Final answer
   x = 1,517,622.38