Finding the Fourth Proportional to 283,538.17, 425,305.89 and 83,859.60

Step by Step Solution

1. Step 1: Write the proportion equation
   283,538.17 : 425,305.89 = 83,859.60 : x
2. Step 2: Convert to fraction form
   283,538.17/425,305.89 = 83,859.60/x
3. Step 3: Cross multiply
   283,538.17x = 425,305.89 × 83,859.60
4. Step 4: Simplify right side
   283,538.17x = 35,665,983,407.94
5. Step 5: Solve for x
   x = 35,665,983,407.94/283,538.17
6. Step 6: Final answer
   x = 125,789.00