Finding the Fourth Proportional to 22,587.53, 31,196.94 and 15,020.75

Step by Step Solution

1. Step 1: Write the proportion equation
   22,587.53 : 31,196.94 = 15,020.75 : x
2. Step 2: Convert to fraction form
   22,587.53/31,196.94 = 15,020.75/x
3. Step 3: Cross multiply
   22,587.53x = 31,196.94 × 15,020.75
4. Step 4: Simplify right side
   22,587.53x = 468,601,280.52
5. Step 5: Solve for x
   x = 468,601,280.52/22,587.53
6. Step 6: Final answer
   x = 20,746.02