Finding the Fourth Proportional to 10,258.47, 14,152.89 and 7,868.86

Step by Step Solution

1. Step 1: Write the proportion equation
   10,258.47 : 14,152.89 = 7,868.86 : x
2. Step 2: Convert to fraction form
   10,258.47/14,152.89 = 7,868.86/x
3. Step 3: Cross multiply
   10,258.47x = 14,152.89 × 7,868.86
4. Step 4: Simplify right side
   10,258.47x = 111,367,110.01
5. Step 5: Solve for x
   x = 111,367,110.01/10,258.47
6. Step 6: Final answer
   x = 10,856.11