Finding the Fourth Proportional to 13,164.26, 18,165.82 and 7,498.18

Step by Step Solution

1. Step 1: Write the proportion equation
   13,164.26 : 18,165.82 = 7,498.18 : x
2. Step 2: Convert to fraction form
   13,164.26/18,165.82 = 7,498.18/x
3. Step 3: Cross multiply
   13,164.26x = 18,165.82 × 7,498.18
4. Step 4: Simplify right side
   13,164.26x = 136,210,478.63
5. Step 5: Solve for x
   x = 136,210,478.63/13,164.26
6. Step 6: Final answer
   x = 10,346.99