Finding the Fourth Proportional to 3,949,983.57, 5,926,686.72 and 1,393,025.67

Step by Step Solution

1. Step 1: Write the proportion equation
   3,949,983.57 : 5,926,686.72 = 1,393,025.67 : x
2. Step 2: Convert to fraction form
   3,949,983.57/5,926,686.72 = 1,393,025.67/x
3. Step 3: Cross multiply
   3,949,983.57x = 5,926,686.72 × 1,393,025.67
4. Step 4: Simplify right side
   3,949,983.57x = 8,256,026,739,008.10
5. Step 5: Solve for x
   x = 8,256,026,739,008.10/3,949,983.57
6. Step 6: Final answer
   x = 2,090,142.05