Finding the Fourth Proportional to 64,128.38, 88,495.36 and 35,834.07

Step by Step Solution

1. Step 1: Write the proportion equation
   64,128.38 : 88,495.36 = 35,834.07 : x
2. Step 2: Convert to fraction form
   64,128.38/88,495.36 = 35,834.07/x
3. Step 3: Cross multiply
   64,128.38x = 88,495.36 × 35,834.07
4. Step 4: Simplify right side
   64,128.38x = 3,171,148,835.33
5. Step 5: Solve for x
   x = 3,171,148,835.33/64,128.38
6. Step 6: Final answer
   x = 49,450.01