Finding the Fourth Proportional to 22,699.68, 34,065.18 and 7,908.72

Step by Step Solution

1. Step 1: Write the proportion equation
   22,699.68 : 34,065.18 = 7,908.72 : x
2. Step 2: Convert to fraction form
   22,699.68/34,065.18 = 7,908.72/x
3. Step 3: Cross multiply
   22,699.68x = 34,065.18 × 7,908.72
4. Step 4: Simplify right side
   22,699.68x = 269,411,970.37
5. Step 5: Solve for x
   x = 269,411,970.37/22,699.68
6. Step 6: Final answer
   x = 11,868.54