Finding the Fourth Proportional to 50,147.12, 69,200.36 and 28,925.12

Step by Step Solution

1. Step 1: Write the proportion equation
   50,147.12 : 69,200.36 = 28,925.12 : x
2. Step 2: Convert to fraction form
   50,147.12/69,200.36 = 28,925.12/x
3. Step 3: Cross multiply
   50,147.12x = 69,200.36 × 28,925.12
4. Step 4: Simplify right side
   50,147.12x = 2,001,628,717.04
5. Step 5: Solve for x
   x = 2,001,628,717.04/50,147.12
6. Step 6: Final answer
   x = 39,915.13