Finding the Fourth Proportional to 64,478.08, 88,978.40 and 35,796.08

Step by Step Solution

1. Step 1: Write the proportion equation
   64,478.08 : 88,978.40 = 35,796.08 : x
2. Step 2: Convert to fraction form
   64,478.08/88,978.40 = 35,796.08/x
3. Step 3: Cross multiply
   64,478.08x = 88,978.40 × 35,796.08
4. Step 4: Simplify right side
   64,478.08x = 3,185,077,924.67
5. Step 5: Solve for x
   x = 3,185,077,924.67/64,478.08
6. Step 6: Final answer
   x = 49,397.84