Finding the Fourth Proportional to 23,531.76, 32,473.83 and 12,921.39

Step by Step Solution

1. Step 1: Write the proportion equation
   23,531.76 : 32,473.83 = 12,921.39 : x
2. Step 2: Convert to fraction form
   23,531.76/32,473.83 = 12,921.39/x
3. Step 3: Cross multiply
   23,531.76x = 32,473.83 × 12,921.39
4. Step 4: Simplify right side
   23,531.76x = 419,607,022.22
5. Step 5: Solve for x
   x = 419,607,022.22/23,531.76
6. Step 6: Final answer
   x = 17,831.52