Finding the Fourth Proportional to 22,703.89, 34,061.30 and 7,121.51

Step by Step Solution

1. Step 1: Write the proportion equation
   22,703.89 : 34,061.30 = 7,121.51 : x
2. Step 2: Convert to fraction form
   22,703.89/34,061.30 = 7,121.51/x
3. Step 3: Cross multiply
   22,703.89x = 34,061.30 × 7,121.51
4. Step 4: Simplify right side
   22,703.89x = 242,568,017.25
5. Step 5: Solve for x
   x = 242,568,017.25/22,703.89
6. Step 6: Final answer
   x = 10,683.99