Finding the Fourth Proportional to 13,171.02, 18,174.81 and 7,506.69

Step by Step Solution

1. Step 1: Write the proportion equation
   13,171.02 : 18,174.81 = 7,506.69 : x
2. Step 2: Convert to fraction form
   13,171.02/18,174.81 = 7,506.69/x
3. Step 3: Cross multiply
   13,171.02x = 18,174.81 × 7,506.69
4. Step 4: Simplify right side
   13,171.02x = 136,432,664.48
5. Step 5: Solve for x
   x = 136,432,664.48/13,171.02
6. Step 6: Final answer
   x = 10,358.55