Finding the Fourth Proportional to 10,111.98, 15,222.57 and 9,094.77

Step by Step Solution

1. Step 1: Write the proportion equation
   10,111.98 : 15,222.57 = 9,094.77 : x
2. Step 2: Convert to fraction form
   10,111.98/15,222.57 = 9,094.77/x
3. Step 3: Cross multiply
   10,111.98x = 15,222.57 × 9,094.77
4. Step 4: Simplify right side
   10,111.98x = 138,445,772.96
5. Step 5: Solve for x
   x = 138,445,772.96/10,111.98
6. Step 6: Final answer
   x = 13,691.26