Finding the Fourth Proportional to 22,939.47, 34,410.56 and 7,146.77

Step by Step Solution

1. Step 1: Write the proportion equation
   22,939.47 : 34,410.56 = 7,146.77 : x
2. Step 2: Convert to fraction form
   22,939.47/34,410.56 = 7,146.77/x
3. Step 3: Cross multiply
   22,939.47x = 34,410.56 × 7,146.77
4. Step 4: Simplify right side
   22,939.47x = 245,924,150.10
5. Step 5: Solve for x
   x = 245,924,150.10/22,939.47
6. Step 6: Final answer
   x = 10,720.57