Finding the Fourth Proportional to 88,661.30, 133,030.35 and 41,890.10

Step by Step Solution

1. Step 1: Write the proportion equation
   88,661.30 : 133,030.35 = 41,890.10 : x
2. Step 2: Convert to fraction form
   88,661.30/133,030.35 = 41,890.10/x
3. Step 3: Cross multiply
   88,661.30x = 133,030.35 × 41,890.10
4. Step 4: Simplify right side
   88,661.30x = 5,572,654,664.54
5. Step 5: Solve for x
   x = 5,572,654,664.54/88,661.30
6. Step 6: Final answer
   x = 62,853.29