Finding the Fourth Proportional to 12,549.47, 18,811.96 and 5,973.89

Step by Step Solution

1. Step 1: Write the proportion equation
   12,549.47 : 18,811.96 = 5,973.89 : x
2. Step 2: Convert to fraction form
   12,549.47/18,811.96 = 5,973.89/x
3. Step 3: Cross multiply
   12,549.47x = 18,811.96 × 5,973.89
4. Step 4: Simplify right side
   12,549.47x = 112,380,470.73
5. Step 5: Solve for x
   x = 112,380,470.73/12,549.47
6. Step 6: Final answer
   x = 8,955.00