Finding the Fourth Proportional to 147,568.02, 203,643.89 and 83,909.71

Step by Step Solution

1. Step 1: Write the proportion equation
   147,568.02 : 203,643.89 = 83,909.71 : x
2. Step 2: Convert to fraction form
   147,568.02/203,643.89 = 83,909.71/x
3. Step 3: Cross multiply
   147,568.02x = 203,643.89 × 83,909.71
4. Step 4: Simplify right side
   147,568.02x = 17,087,699,753.17
5. Step 5: Solve for x
   x = 17,087,699,753.17/147,568.02
6. Step 6: Final answer
   x = 115,795.41