Finding the Fourth Proportional to 2,743,113.72, 3,785,558.40 and 1,565,689.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,743,113.72 : 3,785,558.40 = 1,565,689.20 : x
2. Step 2: Convert to fraction form
   2,743,113.72/3,785,558.40 = 1,565,689.20/x
3. Step 3: Cross multiply
   2,743,113.72x = 3,785,558.40 × 1,565,689.20
4. Step 4: Simplify right side
   2,743,113.72x = 5,927,007,902,849.28
5. Step 5: Solve for x
   x = 5,927,007,902,849.28/2,743,113.72
6. Step 6: Final answer
   x = 2,160,686.18