Finding the Fourth Proportional to 22,713.01, 31,345.46 and 12,641.34

Step by Step Solution

1. Step 1: Write the proportion equation
   22,713.01 : 31,345.46 = 12,641.34 : x
2. Step 2: Convert to fraction form
   22,713.01/31,345.46 = 12,641.34/x
3. Step 3: Cross multiply
   22,713.01x = 31,345.46 × 12,641.34
4. Step 4: Simplify right side
   22,713.01x = 396,248,617.32
5. Step 5: Solve for x
   x = 396,248,617.32/22,713.01
6. Step 6: Final answer
   x = 17,445.89