Finding the Fourth Proportional to 22,565.94, 31,140.58 and 12,494.16

Step by Step Solution

1. Step 1: Write the proportion equation
   22,565.94 : 31,140.58 = 12,494.16 : x
2. Step 2: Convert to fraction form
   22,565.94/31,140.58 = 12,494.16/x
3. Step 3: Cross multiply
   22,565.94x = 31,140.58 × 12,494.16
4. Step 4: Simplify right side
   22,565.94x = 389,075,389.01
5. Step 5: Solve for x
   x = 389,075,389.01/22,565.94
6. Step 6: Final answer
   x = 17,241.71