Finding the Fourth Proportional to 64,276.08, 88,870.32 and 56,295.48

Step by Step Solution

1. Step 1: Write the proportion equation
   64,276.08 : 88,870.32 = 56,295.48 : x
2. Step 2: Convert to fraction form
   64,276.08/88,870.32 = 56,295.48/x
3. Step 3: Cross multiply
   64,276.08x = 88,870.32 × 56,295.48
4. Step 4: Simplify right side
   64,276.08x = 5,002,997,322.15
5. Step 5: Solve for x
   x = 5,002,997,322.15/64,276.08
6. Step 6: Final answer
   x = 77,836.07