Finding the Fourth Proportional to 64,488.52, 88,996.98 and 40,606.12

Step by Step Solution

1. Step 1: Write the proportion equation
   64,488.52 : 88,996.98 = 40,606.12 : x
2. Step 2: Convert to fraction form
   64,488.52/88,996.98 = 40,606.12/x
3. Step 3: Cross multiply
   64,488.52x = 88,996.98 × 40,606.12
4. Step 4: Simplify right side
   64,488.52x = 3,613,822,049.52
5. Step 5: Solve for x
   x = 3,613,822,049.52/64,488.52
6. Step 6: Final answer
   x = 56,038.22