Finding the Fourth Proportional to 64,185.76, 88,569.53 and 35,500.86

Step by Step Solution

1. Step 1: Write the proportion equation
   64,185.76 : 88,569.53 = 35,500.86 : x
2. Step 2: Convert to fraction form
   64,185.76/88,569.53 = 35,500.86/x
3. Step 3: Cross multiply
   64,185.76x = 88,569.53 × 35,500.86
4. Step 4: Simplify right side
   64,185.76x = 3,144,294,484.80
5. Step 5: Solve for x
   x = 3,144,294,484.80/64,185.76
6. Step 6: Final answer
   x = 48,987.42