Finding the Fourth Proportional to 64,031.16, 88,371.36 and 35,742.72

Step by Step Solution

1. Step 1: Write the proportion equation
   64,031.16 : 88,371.36 = 35,742.72 : x
2. Step 2: Convert to fraction form
   64,031.16/88,371.36 = 35,742.72/x
3. Step 3: Cross multiply
   64,031.16x = 88,371.36 × 35,742.72
4. Step 4: Simplify right side
   64,031.16x = 3,158,632,776.50
5. Step 5: Solve for x
   x = 3,158,632,776.50/64,031.16
6. Step 6: Final answer
   x = 49,329.62