Finding the Fourth Proportional to 13,103.08, 18,082.24 and 7,134.74

Step by Step Solution

1. Step 1: Write the proportion equation
   13,103.08 : 18,082.24 = 7,134.74 : x
2. Step 2: Convert to fraction form
   13,103.08/18,082.24 = 7,134.74/x
3. Step 3: Cross multiply
   13,103.08x = 18,082.24 × 7,134.74
4. Step 4: Simplify right side
   13,103.08x = 129,012,081.02
5. Step 5: Solve for x
   x = 129,012,081.02/13,103.08
6. Step 6: Final answer
   x = 9,845.94