Finding the Fourth Proportional to 22,678.99, 34,018.72 and 7,888.39

Step by Step Solution

1. Step 1: Write the proportion equation
   22,678.99 : 34,018.72 = 7,888.39 : x
2. Step 2: Convert to fraction form
   22,678.99/34,018.72 = 7,888.39/x
3. Step 3: Cross multiply
   22,678.99x = 34,018.72 × 7,888.39
4. Step 4: Simplify right side
   22,678.99x = 268,352,825.89
5. Step 5: Solve for x
   x = 268,352,825.89/22,678.99
6. Step 6: Final answer
   x = 11,832.66