Finding the Fourth Proportional to 23,180.96, 31,989.76 and 12,570.52

Step by Step Solution

1. Step 1: Write the proportion equation
   23,180.96 : 31,989.76 = 12,570.52 : x
2. Step 2: Convert to fraction form
   23,180.96/31,989.76 = 12,570.52/x
3. Step 3: Cross multiply
   23,180.96x = 31,989.76 × 12,570.52
4. Step 4: Simplify right side
   23,180.96x = 402,127,917.88
5. Step 5: Solve for x
   x = 402,127,917.88/23,180.96
6. Step 6: Final answer
   x = 17,347.34