Finding the Fourth Proportional to 1,581,451, 2,182,399.14 and 856,298.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,581,451 : 2,182,399.14 = 856,298.50 : x
2. Step 2: Convert to fraction form
   1,581,451/2,182,399.14 = 856,298.50/x
3. Step 3: Cross multiply
   1,581,451x = 2,182,399.14 × 856,298.50
4. Step 4: Simplify right side
   1,581,451x = 1,868,785,109,983.29
5. Step 5: Solve for x
   x = 1,868,785,109,983.29/1,581,451
6. Step 6: Final answer
   x = 1,181,690.18