Finding the Fourth Proportional to 11,258.33, 15,540.86 and 10,077.35

Step by Step Solution

1. Step 1: Write the proportion equation
   11,258.33 : 15,540.86 = 10,077.35 : x
2. Step 2: Convert to fraction form
   11,258.33/15,540.86 = 10,077.35/x
3. Step 3: Cross multiply
   11,258.33x = 15,540.86 × 10,077.35
4. Step 4: Simplify right side
   11,258.33x = 156,610,633.01
5. Step 5: Solve for x
   x = 156,610,633.01/11,258.33
6. Step 6: Final answer
   x = 13,910.65