Finding the Fourth Proportional to 12,250.18, 18,384.52 and 8,971.77

Step by Step Solution

1. Step 1: Write the proportion equation
   12,250.18 : 18,384.52 = 8,971.77 : x
2. Step 2: Convert to fraction form
   12,250.18/18,384.52 = 8,971.77/x
3. Step 3: Cross multiply
   12,250.18x = 18,384.52 × 8,971.77
4. Step 4: Simplify right side
   12,250.18x = 164,941,748.33
5. Step 5: Solve for x
   x = 164,941,748.33/12,250.18
6. Step 6: Final answer
   x = 13,464.43