Finding the Fourth Proportional to 564,150.12, 846,227.16 and 143,426.04

Step by Step Solution

1. Step 1: Write the proportion equation
   564,150.12 : 846,227.16 = 143,426.04 : x
2. Step 2: Convert to fraction form
   564,150.12/846,227.16 = 143,426.04/x
3. Step 3: Cross multiply
   564,150.12x = 846,227.16 × 143,426.04
4. Step 4: Simplify right side
   564,150.12x = 121,371,010,499.25
5. Step 5: Solve for x
   x = 121,371,010,499.25/564,150.12
6. Step 6: Final answer
   x = 215,139.56