Finding the Fourth Proportional to 2,317,939.31, 3,477,406.50 and 781,086.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,317,939.31 : 3,477,406.50 = 781,086.56 : x
2. Step 2: Convert to fraction form
   2,317,939.31/3,477,406.50 = 781,086.56/x
3. Step 3: Cross multiply
   2,317,939.31x = 3,477,406.50 × 781,086.56
4. Step 4: Simplify right side
   2,317,939.31x = 2,716,155,463,419.61
5. Step 5: Solve for x
   x = 2,716,155,463,419.61/2,317,939.31
6. Step 6: Final answer
   x = 1,171,797.49