Finding the Fourth Proportional to 88,689.55, 133,072.73 and 41,918.35

Step by Step Solution

1. Step 1: Write the proportion equation
   88,689.55 : 133,072.73 = 41,918.35 : x
2. Step 2: Convert to fraction form
   88,689.55/133,072.73 = 41,918.35/x
3. Step 3: Cross multiply
   88,689.55x = 133,072.73 × 41,918.35
4. Step 4: Simplify right side
   88,689.55x = 5,578,189,271.60
5. Step 5: Solve for x
   x = 5,578,189,271.60/88,689.55
6. Step 6: Final answer
   x = 62,895.68