Finding the Fourth Proportional to 22,576.83, 31,157.15 and 13,624.18

Step by Step Solution

1. Step 1: Write the proportion equation
   22,576.83 : 31,157.15 = 13,624.18 : x
2. Step 2: Convert to fraction form
   22,576.83/31,157.15 = 13,624.18/x
3. Step 3: Cross multiply
   22,576.83x = 31,157.15 × 13,624.18
4. Step 4: Simplify right side
   22,576.83x = 424,490,619.89
5. Step 5: Solve for x
   x = 424,490,619.89/22,576.83
6. Step 6: Final answer
   x = 18,802.05