Finding the Fourth Proportional to 2,856,921.39, 3,942,665.18 and 1,567,807.91

Step by Step Solution

1. Step 1: Write the proportion equation
   2,856,921.39 : 3,942,665.18 = 1,567,807.91 : x
2. Step 2: Convert to fraction form
   2,856,921.39/3,942,665.18 = 1,567,807.91/x
3. Step 3: Cross multiply
   2,856,921.39x = 3,942,665.18 × 1,567,807.91
4. Step 4: Simplify right side
   2,856,921.39x = 6,181,341,655,685.57
5. Step 5: Solve for x
   x = 6,181,341,655,685.57/2,856,921.39
6. Step 6: Final answer
   x = 2,163,637.29