Finding the Fourth Proportional to 22,974.72, 31,703.52 and 21,092.56

Step by Step Solution

1. Step 1: Write the proportion equation
   22,974.72 : 31,703.52 = 21,092.56 : x
2. Step 2: Convert to fraction form
   22,974.72/31,703.52 = 21,092.56/x
3. Step 3: Cross multiply
   22,974.72x = 31,703.52 × 21,092.56
4. Step 4: Simplify right side
   22,974.72x = 668,708,397.81
5. Step 5: Solve for x
   x = 668,708,397.81/22,974.72
6. Step 6: Final answer
   x = 29,106.27