Finding the Fourth Proportional to 22,832.56, 31,508.83 and 12,761

Step by Step Solution

1. Step 1: Write the proportion equation
   22,832.56 : 31,508.83 = 12,761 : x
2. Step 2: Convert to fraction form
   22,832.56/31,508.83 = 12,761/x
3. Step 3: Cross multiply
   22,832.56x = 31,508.83 × 12,761
4. Step 4: Simplify right side
   22,832.56x = 402,084,179.63
5. Step 5: Solve for x
   x = 402,084,179.63/22,832.56
6. Step 6: Final answer
   x = 17,610.12