Finding the Fourth Proportional to 23,642.74, 32,626.52 and 12,887.71

Step by Step Solution

1. Step 1: Write the proportion equation
   23,642.74 : 32,626.52 = 12,887.71 : x
2. Step 2: Convert to fraction form
   23,642.74/32,626.52 = 12,887.71/x
3. Step 3: Cross multiply
   23,642.74x = 32,626.52 × 12,887.71
4. Step 4: Simplify right side
   23,642.74x = 420,481,030.39
5. Step 5: Solve for x
   x = 420,481,030.39/23,642.74
6. Step 6: Final answer
   x = 17,784.79