Finding the Fourth Proportional to 2,906,192.64, 4,359,067.92 and 1,287,462.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,906,192.64 : 4,359,067.92 = 1,287,462.72 : x
2. Step 2: Convert to fraction form
   2,906,192.64/4,359,067.92 = 1,287,462.72/x
3. Step 3: Cross multiply
   2,906,192.64x = 4,359,067.92 × 1,287,462.72
4. Step 4: Simplify right side
   2,906,192.64x = 5,612,137,440,947.94
5. Step 5: Solve for x
   x = 5,612,137,440,947.94/2,906,192.64
6. Step 6: Final answer
   x = 1,931,096.16