Finding the Fourth Proportional to 12,061.65, 16,637.71 and 7,973.45

Step by Step Solution

1. Step 1: Write the proportion equation
   12,061.65 : 16,637.71 = 7,973.45 : x
2. Step 2: Convert to fraction form
   12,061.65/16,637.71 = 7,973.45/x
3. Step 3: Cross multiply
   12,061.65x = 16,637.71 × 7,973.45
4. Step 4: Simplify right side
   12,061.65x = 132,659,948.80
5. Step 5: Solve for x
   x = 132,659,948.80/12,061.65
6. Step 6: Final answer
   x = 10,998.49