Finding the Fourth Proportional to 22,908.56, 34,368.21 and 7,112.78

Step by Step Solution

1. Step 1: Write the proportion equation
   22,908.56 : 34,368.21 = 7,112.78 : x
2. Step 2: Convert to fraction form
   22,908.56/34,368.21 = 7,112.78/x
3. Step 3: Cross multiply
   22,908.56x = 34,368.21 × 7,112.78
4. Step 4: Simplify right side
   22,908.56x = 244,453,516.72
5. Step 5: Solve for x
   x = 244,453,516.72/22,908.56
6. Step 6: Final answer
   x = 10,670.84