Finding the Fourth Proportional to 23,582.65, 32,543.88 and 12,972.05

Step by Step Solution

1. Step 1: Write the proportion equation
   23,582.65 : 32,543.88 = 12,972.05 : x
2. Step 2: Convert to fraction form
   23,582.65/32,543.88 = 12,972.05/x
3. Step 3: Cross multiply
   23,582.65x = 32,543.88 × 12,972.05
4. Step 4: Simplify right side
   23,582.65x = 422,160,773.69
5. Step 5: Solve for x
   x = 422,160,773.69/23,582.65
6. Step 6: Final answer
   x = 17,901.33