Finding the Fourth Proportional to 22,758.15, 34,130.52 and 7,964.31

Step by Step Solution

1. Step 1: Write the proportion equation
   22,758.15 : 34,130.52 = 7,964.31 : x
2. Step 2: Convert to fraction form
   22,758.15/34,130.52 = 7,964.31/x
3. Step 3: Cross multiply
   22,758.15x = 34,130.52 × 7,964.31
4. Step 4: Simplify right side
   22,758.15x = 271,826,041.74
5. Step 5: Solve for x
   x = 271,826,041.74/22,758.15
6. Step 6: Final answer
   x = 11,944.12