Finding the Fourth Proportional to 64,171.50, 88,554.56 and 35,490.71

Step by Step Solution

1. Step 1: Write the proportion equation
   64,171.50 : 88,554.56 = 35,490.71 : x
2. Step 2: Convert to fraction form
   64,171.50/88,554.56 = 35,490.71/x
3. Step 3: Cross multiply
   64,171.50x = 88,554.56 × 35,490.71
4. Step 4: Simplify right side
   64,171.50x = 3,142,863,587.91
5. Step 5: Solve for x
   x = 3,142,863,587.91/64,171.50
6. Step 6: Final answer
   x = 48,976.00