Finding the Fourth Proportional to 9,111.49, 12,573.89 and 5,132.67

Step by Step Solution

1. Step 1: Write the proportion equation
   9,111.49 : 12,573.89 = 5,132.67 : x
2. Step 2: Convert to fraction form
   9,111.49/12,573.89 = 5,132.67/x
3. Step 3: Cross multiply
   9,111.49x = 12,573.89 × 5,132.67
4. Step 4: Simplify right side
   9,111.49x = 64,537,627.99
5. Step 5: Solve for x
   x = 64,537,627.99/9,111.49
6. Step 6: Final answer
   x = 7,083.10