Finding the Fourth Proportional to 64,140.52, 88,488.84 and 37,278.28

Step by Step Solution

1. Step 1: Write the proportion equation
   64,140.52 : 88,488.84 = 37,278.28 : x
2. Step 2: Convert to fraction form
   64,140.52/88,488.84 = 37,278.28/x
3. Step 3: Cross multiply
   64,140.52x = 88,488.84 × 37,278.28
4. Step 4: Simplify right side
   64,140.52x = 3,298,711,754.40
5. Step 5: Solve for x
   x = 3,298,711,754.40/64,140.52
6. Step 6: Final answer
   x = 51,429.45