Finding the Fourth Proportional to 13,167.15, 18,168.56 and 7,502.00

Step by Step Solution

1. Step 1: Write the proportion equation
   13,167.15 : 18,168.56 = 7,502.00 : x
2. Step 2: Convert to fraction form
   13,167.15/18,168.56 = 7,502.00/x
3. Step 3: Cross multiply
   13,167.15x = 18,168.56 × 7,502.00
4. Step 4: Simplify right side
   13,167.15x = 136,300,408.77
5. Step 5: Solve for x
   x = 136,300,408.77/13,167.15
6. Step 6: Final answer
   x = 10,351.55