Finding the Fourth Proportional to 64,270.16, 88,701.18 and 35,981.72

Step by Step Solution

1. Step 1: Write the proportion equation
   64,270.16 : 88,701.18 = 35,981.72 : x
2. Step 2: Convert to fraction form
   64,270.16/88,701.18 = 35,981.72/x
3. Step 3: Cross multiply
   64,270.16x = 88,701.18 × 35,981.72
4. Step 4: Simplify right side
   64,270.16x = 3,191,621,022.43
5. Step 5: Solve for x
   x = 3,191,621,022.43/64,270.16
6. Step 6: Final answer
   x = 49,659.45