Finding the Fourth Proportional to 22,508.51, 31,061.63 and 12,437.65

Step by Step Solution

1. Step 1: Write the proportion equation
   22,508.51 : 31,061.63 = 12,437.65 : x
2. Step 2: Convert to fraction form
   22,508.51/31,061.63 = 12,437.65/x
3. Step 3: Cross multiply
   22,508.51x = 31,061.63 × 12,437.65
4. Step 4: Simplify right side
   22,508.51x = 386,333,464.87
5. Step 5: Solve for x
   x = 386,333,464.87/22,508.51
6. Step 6: Final answer
   x = 17,163.88