Finding the Fourth Proportional to 118,841.75, 164,002.90 and 65,125.61

Step by Step Solution

1. Step 1: Write the proportion equation
   118,841.75 : 164,002.90 = 65,125.61 : x
2. Step 2: Convert to fraction form
   118,841.75/164,002.90 = 65,125.61/x
3. Step 3: Cross multiply
   118,841.75x = 164,002.90 × 65,125.61
4. Step 4: Simplify right side
   118,841.75x = 10,680,788,084.25
5. Step 5: Solve for x
   x = 10,680,788,084.25/118,841.75
6. Step 6: Final answer
   x = 89,874.04