Finding the Fourth Proportional to 22,740.02, 31,369.94 and 15,196.47

Step by Step Solution

1. Step 1: Write the proportion equation
   22,740.02 : 31,369.94 = 15,196.47 : x
2. Step 2: Convert to fraction form
   22,740.02/31,369.94 = 15,196.47/x
3. Step 3: Cross multiply
   22,740.02x = 31,369.94 × 15,196.47
4. Step 4: Simplify right side
   22,740.02x = 476,712,390.10
5. Step 5: Solve for x
   x = 476,712,390.10/22,740.02
6. Step 6: Final answer
   x = 20,963.58