Finding the Fourth Proportional to 64,061.20, 88,407.81 and 35,765.20

Step by Step Solution

1. Step 1: Write the proportion equation
   64,061.20 : 88,407.81 = 35,765.20 : x
2. Step 2: Convert to fraction form
   64,061.20/88,407.81 = 35,765.20/x
3. Step 3: Cross multiply
   64,061.20x = 88,407.81 × 35,765.20
4. Step 4: Simplify right side
   64,061.20x = 3,161,922,385.35
5. Step 5: Solve for x
   x = 3,161,922,385.35/64,061.20
6. Step 6: Final answer
   x = 49,357.84