Finding the Fourth Proportional to 22,733.82, 31,377.51 and 15,277.50

Step by Step Solution

1. Step 1: Write the proportion equation
   22,733.82 : 31,377.51 = 15,277.50 : x
2. Step 2: Convert to fraction form
   22,733.82/31,377.51 = 15,277.50/x
3. Step 3: Cross multiply
   22,733.82x = 31,377.51 × 15,277.50
4. Step 4: Simplify right side
   22,733.82x = 479,369,909.03
5. Step 5: Solve for x
   x = 479,369,909.03/22,733.82
6. Step 6: Final answer
   x = 21,086.20