Finding the Fourth Proportional to 10,554.89, 15,832.35 and 7,258.01

Step by Step Solution

1. Step 1: Write the proportion equation
   10,554.89 : 15,832.35 = 7,258.01 : x
2. Step 2: Convert to fraction form
   10,554.89/15,832.35 = 7,258.01/x
3. Step 3: Cross multiply
   10,554.89x = 15,832.35 × 7,258.01
4. Step 4: Simplify right side
   10,554.89x = 114,911,275.46
5. Step 5: Solve for x
   x = 114,911,275.46/10,554.89
6. Step 6: Final answer
   x = 10,887.02