Finding the Fourth Proportional to 10,258.38, 15,375.42 and 4,707.05

Step by Step Solution

1. Step 1: Write the proportion equation
   10,258.38 : 15,375.42 = 4,707.05 : x
2. Step 2: Convert to fraction form
   10,258.38/15,375.42 = 4,707.05/x
3. Step 3: Cross multiply
   10,258.38x = 15,375.42 × 4,707.05
4. Step 4: Simplify right side
   10,258.38x = 72,372,793.83
5. Step 5: Solve for x
   x = 72,372,793.83/10,258.38
6. Step 6: Final answer
   x = 7,054.99