Finding the Fourth Proportional to 23,481.36, 32,404.32 and 12,870.90

Step by Step Solution

1. Step 1: Write the proportion equation
   23,481.36 : 32,404.32 = 12,870.90 : x
2. Step 2: Convert to fraction form
   23,481.36/32,404.32 = 12,870.90/x
3. Step 3: Cross multiply
   23,481.36x = 32,404.32 × 12,870.90
4. Step 4: Simplify right side
   23,481.36x = 417,072,762.29
5. Step 5: Solve for x
   x = 417,072,762.29/23,481.36
6. Step 6: Final answer
   x = 17,761.87