Finding the Fourth Proportional to 146,402.56, 201,957.60 and 89,059.42

Step by Step Solution

1. Step 1: Write the proportion equation
   146,402.56 : 201,957.60 = 89,059.42 : x
2. Step 2: Convert to fraction form
   146,402.56/201,957.60 = 89,059.42/x
3. Step 3: Cross multiply
   146,402.56x = 201,957.60 × 89,059.42
4. Step 4: Simplify right side
   146,402.56x = 17,986,227,875.02
5. Step 5: Solve for x
   x = 17,986,227,875.02/146,402.56
6. Step 6: Final answer
   x = 122,854.60