Finding the Fourth Proportional to 14,580.73, 21,881.72 and 5,818.15

Step by Step Solution

1. Step 1: Write the proportion equation
   14,580.73 : 21,881.72 = 5,818.15 : x
2. Step 2: Convert to fraction form
   14,580.73/21,881.72 = 5,818.15/x
3. Step 3: Cross multiply
   14,580.73x = 21,881.72 × 5,818.15
4. Step 4: Simplify right side
   14,580.73x = 127,311,129.22
5. Step 5: Solve for x
   x = 127,311,129.22/14,580.73
6. Step 6: Final answer
   x = 8,731.46