Finding the Fourth Proportional to 23,789.89, 32,830.28 and 13,180.51

Step by Step Solution

1. Step 1: Write the proportion equation
   23,789.89 : 32,830.28 = 13,180.51 : x
2. Step 2: Convert to fraction form
   23,789.89/32,830.28 = 13,180.51/x
3. Step 3: Cross multiply
   23,789.89x = 32,830.28 × 13,180.51
4. Step 4: Simplify right side
   23,789.89x = 432,719,833.84
5. Step 5: Solve for x
   x = 432,719,833.84/23,789.89
6. Step 6: Final answer
   x = 18,189.23