Finding the Fourth Proportional to 64,139.55, 88,520.28 and 37,282.07

Step by Step Solution

1. Step 1: Write the proportion equation
   64,139.55 : 88,520.28 = 37,282.07 : x
2. Step 2: Convert to fraction form
   64,139.55/88,520.28 = 37,282.07/x
3. Step 3: Cross multiply
   64,139.55x = 88,520.28 × 37,282.07
4. Step 4: Simplify right side
   64,139.55x = 3,300,218,832.78
5. Step 5: Solve for x
   x = 3,300,218,832.78/64,139.55
6. Step 6: Final answer
   x = 51,453.73