Finding the Fourth Proportional to 22,576.41, 31,155 and 12,504.93

Step by Step Solution

1. Step 1: Write the proportion equation
   22,576.41 : 31,155 = 12,504.93 : x
2. Step 2: Convert to fraction form
   22,576.41/31,155 = 12,504.93/x
3. Step 3: Cross multiply
   22,576.41x = 31,155 × 12,504.93
4. Step 4: Simplify right side
   22,576.41x = 389,591,094.15
5. Step 5: Solve for x
   x = 389,591,094.15/22,576.41
6. Step 6: Final answer
   x = 17,256.56