Finding the Fourth Proportional to 146,377.16, 201,989.23 and 89,008.61

Step by Step Solution

1. Step 1: Write the proportion equation
   146,377.16 : 201,989.23 = 89,008.61 : x
2. Step 2: Convert to fraction form
   146,377.16/201,989.23 = 89,008.61/x
3. Step 3: Cross multiply
   146,377.16x = 201,989.23 × 89,008.61
4. Step 4: Simplify right side
   146,377.16x = 17,978,779,364.80
5. Step 5: Solve for x
   x = 17,978,779,364.80/146,377.16
6. Step 6: Final answer
   x = 122,825.03