Finding the Fourth Proportional to 64,321.40, 88,768.24 and 38,834.04

Step by Step Solution

1. Step 1: Write the proportion equation
   64,321.40 : 88,768.24 = 38,834.04 : x
2. Step 2: Convert to fraction form
   64,321.40/88,768.24 = 38,834.04/x
3. Step 3: Cross multiply
   64,321.40x = 88,768.24 × 38,834.04
4. Step 4: Simplify right side
   64,321.40x = 3,447,229,382.89
5. Step 5: Solve for x
   x = 3,447,229,382.89/64,321.40
6. Step 6: Final answer
   x = 53,593.82