Finding the Fourth Proportional to 22,531.65, 31,096.35 and 13,100.19

Step by Step Solution

1. Step 1: Write the proportion equation
   22,531.65 : 31,096.35 = 13,100.19 : x
2. Step 2: Convert to fraction form
   22,531.65/31,096.35 = 13,100.19/x
3. Step 3: Cross multiply
   22,531.65x = 31,096.35 × 13,100.19
4. Step 4: Simplify right side
   22,531.65x = 407,368,093.31
5. Step 5: Solve for x
   x = 407,368,093.31/22,531.65
6. Step 6: Final answer
   x = 18,079.82