Finding the Fourth Proportional to 10,111.48, 15,221.82 and 9,094.26

Step by Step Solution

1. Step 1: Write the proportion equation
   10,111.48 : 15,221.82 = 9,094.26 : x
2. Step 2: Convert to fraction form
   10,111.48/15,221.82 = 9,094.26/x
3. Step 3: Cross multiply
   10,111.48x = 15,221.82 × 9,094.26
4. Step 4: Simplify right side
   10,111.48x = 138,431,188.75
5. Step 5: Solve for x
   x = 138,431,188.75/10,111.48
6. Step 6: Final answer
   x = 13,690.50