Finding the Fourth Proportional to 64,128.83, 88,497.60 and 35,834.54

Step by Step Solution

1. Step 1: Write the proportion equation
   64,128.83 : 88,497.60 = 35,834.54 : x
2. Step 2: Convert to fraction form
   64,128.83/88,497.60 = 35,834.54/x
3. Step 3: Cross multiply
   64,128.83x = 88,497.60 × 35,834.54
4. Step 4: Simplify right side
   64,128.83x = 3,171,270,787.10
5. Step 5: Solve for x
   x = 3,171,270,787.10/64,128.83
6. Step 6: Final answer
   x = 49,451.56