Finding the Fourth Proportional to 10,175.83, 15,268.91 and 4,915.28

Step by Step Solution

1. Step 1: Write the proportion equation
   10,175.83 : 15,268.91 = 4,915.28 : x
2. Step 2: Convert to fraction form
   10,175.83/15,268.91 = 4,915.28/x
3. Step 3: Cross multiply
   10,175.83x = 15,268.91 × 4,915.28
4. Step 4: Simplify right side
   10,175.83x = 75,050,981.54
5. Step 5: Solve for x
   x = 75,050,981.54/10,175.83
6. Step 6: Final answer
   x = 7,375.42