Finding the Fourth Proportional to 283,263.82, 425,158.17 and 143,120.86

Step by Step Solution

1. Step 1: Write the proportion equation
   283,263.82 : 425,158.17 = 143,120.86 : x
2. Step 2: Convert to fraction form
   283,263.82/425,158.17 = 143,120.86/x
3. Step 3: Cross multiply
   283,263.82x = 425,158.17 × 143,120.86
4. Step 4: Simplify right side
   283,263.82x = 60,849,002,926.43
5. Step 5: Solve for x
   x = 60,849,002,926.43/283,263.82
6. Step 6: Final answer
   x = 214,813.89