Finding the Fourth Proportional to 11,250.89, 15,532.86 and 7,719.29

Step by Step Solution

1. Step 1: Write the proportion equation
   11,250.89 : 15,532.86 = 7,719.29 : x
2. Step 2: Convert to fraction form
   11,250.89/15,532.86 = 7,719.29/x
3. Step 3: Cross multiply
   11,250.89x = 15,532.86 × 7,719.29
4. Step 4: Simplify right side
   11,250.89x = 119,902,573.21
5. Step 5: Solve for x
   x = 119,902,573.21/11,250.89
6. Step 6: Final answer
   x = 10,657.17