Finding the Fourth Proportional to 11,156.76, 15,402.42 and 7,625.16

Step by Step Solution

1. Step 1: Write the proportion equation
   11,156.76 : 15,402.42 = 7,625.16 : x
2. Step 2: Convert to fraction form
   11,156.76/15,402.42 = 7,625.16/x
3. Step 3: Cross multiply
   11,156.76x = 15,402.42 × 7,625.16
4. Step 4: Simplify right side
   11,156.76x = 117,445,916.89
5. Step 5: Solve for x
   x = 117,445,916.89/11,156.76
6. Step 6: Final answer
   x = 10,526.88