Finding the Fourth Proportional to 64,152.72, 88,529.20 and 35,471.63

Step by Step Solution

1. Step 1: Write the proportion equation
   64,152.72 : 88,529.20 = 35,471.63 : x
2. Step 2: Convert to fraction form
   64,152.72/88,529.20 = 35,471.63/x
3. Step 3: Cross multiply
   64,152.72x = 88,529.20 × 35,471.63
4. Step 4: Simplify right side
   64,152.72x = 3,140,275,159.24
5. Step 5: Solve for x
   x = 3,140,275,159.24/64,152.72
6. Step 6: Final answer
   x = 48,949.99