Finding the Fourth Proportional to 11,397.96, 17,083.86 and 5,229

Step by Step Solution

1. Step 1: Write the proportion equation
   11,397.96 : 17,083.86 = 5,229 : x
2. Step 2: Convert to fraction form
   11,397.96/17,083.86 = 5,229/x
3. Step 3: Cross multiply
   11,397.96x = 17,083.86 × 5,229
4. Step 4: Simplify right side
   11,397.96x = 89,331,503.94
5. Step 5: Solve for x
   x = 89,331,503.94/11,397.96
6. Step 6: Final answer
   x = 7,837.50