Finding the Fourth Proportional to 22,705.69, 34,064.31 and 7,123.45

Step by Step Solution

1. Step 1: Write the proportion equation
   22,705.69 : 34,064.31 = 7,123.45 : x
2. Step 2: Convert to fraction form
   22,705.69/34,064.31 = 7,123.45/x
3. Step 3: Cross multiply
   22,705.69x = 34,064.31 × 7,123.45
4. Step 4: Simplify right side
   22,705.69x = 242,655,409.07
5. Step 5: Solve for x
   x = 242,655,409.07/22,705.69
6. Step 6: Final answer
   x = 10,686.99