Finding the Fourth Proportional to 64,188.72, 88,579.91 and 35,894.40

Step by Step Solution

1. Step 1: Write the proportion equation
   64,188.72 : 88,579.91 = 35,894.40 : x
2. Step 2: Convert to fraction form
   64,188.72/88,579.91 = 35,894.40/x
3. Step 3: Cross multiply
   64,188.72x = 88,579.91 × 35,894.40
4. Step 4: Simplify right side
   64,188.72x = 3,179,522,542.03
5. Step 5: Solve for x
   x = 3,179,522,542.03/64,188.72
6. Step 6: Final answer
   x = 49,533.98