Finding the Fourth Proportional to 64,128.81, 88,499.22 and 35,834.43

Step by Step Solution

1. Step 1: Write the proportion equation
   64,128.81 : 88,499.22 = 35,834.43 : x
2. Step 2: Convert to fraction form
   64,128.81/88,499.22 = 35,834.43/x
3. Step 3: Cross multiply
   64,128.81x = 88,499.22 × 35,834.43
4. Step 4: Simplify right side
   64,128.81x = 3,171,319,104.14
5. Step 5: Solve for x
   x = 3,171,319,104.14/64,128.81
6. Step 6: Final answer
   x = 49,452.33