Finding the Fourth Proportional to 14,618.72, 21,947.52 and 8,384.96

Step by Step Solution

1. Step 1: Write the proportion equation
   14,618.72 : 21,947.52 = 8,384.96 : x
2. Step 2: Convert to fraction form
   14,618.72/21,947.52 = 8,384.96/x
3. Step 3: Cross multiply
   14,618.72x = 21,947.52 × 8,384.96
4. Step 4: Simplify right side
   14,618.72x = 184,029,077.30
5. Step 5: Solve for x
   x = 184,029,077.30/14,618.72
6. Step 6: Final answer
   x = 12,588.59