Finding the Fourth Proportional to 22,487.76, 31,032.27 and 12,415.98

Step by Step Solution

1. Step 1: Write the proportion equation
   22,487.76 : 31,032.27 = 12,415.98 : x
2. Step 2: Convert to fraction form
   22,487.76/31,032.27 = 12,415.98/x
3. Step 3: Cross multiply
   22,487.76x = 31,032.27 × 12,415.98
4. Step 4: Simplify right side
   22,487.76x = 385,295,981.59
5. Step 5: Solve for x
   x = 385,295,981.59/22,487.76
6. Step 6: Final answer
   x = 17,133.59