Finding the Fourth Proportional to 23,131.08, 31,922.55 and 13,060.35

Step by Step Solution

1. Step 1: Write the proportion equation
   23,131.08 : 31,922.55 = 13,060.35 : x
2. Step 2: Convert to fraction form
   23,131.08/31,922.55 = 13,060.35/x
3. Step 3: Cross multiply
   23,131.08x = 31,922.55 × 13,060.35
4. Step 4: Simplify right side
   23,131.08x = 416,919,675.89
5. Step 5: Solve for x
   x = 416,919,675.89/23,131.08
6. Step 6: Final answer
   x = 18,024.22