Finding the Fourth Proportional to 64,315.82, 88,727.55 and 38,807.96

Step by Step Solution

1. Step 1: Write the proportion equation
   64,315.82 : 88,727.55 = 38,807.96 : x
2. Step 2: Convert to fraction form
   64,315.82/88,727.55 = 38,807.96/x
3. Step 3: Cross multiply
   64,315.82x = 88,727.55 × 38,807.96
4. Step 4: Simplify right side
   64,315.82x = 3,443,335,339.52
5. Step 5: Solve for x
   x = 3,443,335,339.52/64,315.82
6. Step 6: Final answer
   x = 53,537.92