Finding the Fourth Proportional to 12,301.32, 18,461.52 and 8,579.34

Step by Step Solution

1. Step 1: Write the proportion equation
   12,301.32 : 18,461.52 = 8,579.34 : x
2. Step 2: Convert to fraction form
   12,301.32/18,461.52 = 8,579.34/x
3. Step 3: Cross multiply
   12,301.32x = 18,461.52 × 8,579.34
4. Step 4: Simplify right side
   12,301.32x = 158,387,657.00
5. Step 5: Solve for x
   x = 158,387,657.00/12,301.32
6. Step 6: Final answer
   x = 12,875.66