Finding the Fourth Proportional to 64,139.01, 88,511.20 and 35,844.72

Step by Step Solution

1. Step 1: Write the proportion equation
   64,139.01 : 88,511.20 = 35,844.72 : x
2. Step 2: Convert to fraction form
   64,139.01/88,511.20 = 35,844.72/x
3. Step 3: Cross multiply
   64,139.01x = 88,511.20 × 35,844.72
4. Step 4: Simplify right side
   64,139.01x = 3,172,659,180.86
5. Step 5: Solve for x
   x = 3,172,659,180.86/64,139.01
6. Step 6: Final answer
   x = 49,465.36