Finding the Fourth Proportional to 9,123.03, 12,588.82 and 5,144.11

Step by Step Solution

1. Step 1: Write the proportion equation
   9,123.03 : 12,588.82 = 5,144.11 : x
2. Step 2: Convert to fraction form
   9,123.03/12,588.82 = 5,144.11/x
3. Step 3: Cross multiply
   9,123.03x = 12,588.82 × 5,144.11
4. Step 4: Simplify right side
   9,123.03x = 64,758,230.52
5. Step 5: Solve for x
   x = 64,758,230.52/9,123.03
6. Step 6: Final answer
   x = 7,098.32