Finding the Fourth Proportional to 22,574.84, 31,150.72 and 12,500.74

Step by Step Solution

1. Step 1: Write the proportion equation
   22,574.84 : 31,150.72 = 12,500.74 : x
2. Step 2: Convert to fraction form
   22,574.84/31,150.72 = 12,500.74/x
3. Step 3: Cross multiply
   22,574.84x = 31,150.72 × 12,500.74
4. Step 4: Simplify right side
   22,574.84x = 389,407,051.53
5. Step 5: Solve for x
   x = 389,407,051.53/22,574.84
6. Step 6: Final answer
   x = 17,249.60