Finding the Fourth Proportional to 64,440.52, 88,887 and 46,561.78

Step by Step Solution

1. Step 1: Write the proportion equation
   64,440.52 : 88,887 = 46,561.78 : x
2. Step 2: Convert to fraction form
   64,440.52/88,887 = 46,561.78/x
3. Step 3: Cross multiply
   64,440.52x = 88,887 × 46,561.78
4. Step 4: Simplify right side
   64,440.52x = 4,138,736,938.86
5. Step 5: Solve for x
   x = 4,138,736,938.86/64,440.52
6. Step 6: Final answer
   x = 64,225.69