Finding the Fourth Proportional to 23,763.18, 35,650.74 and 7,123.20

Step by Step Solution

1. Step 1: Write the proportion equation
   23,763.18 : 35,650.74 = 7,123.20 : x
2. Step 2: Convert to fraction form
   23,763.18/35,650.74 = 7,123.20/x
3. Step 3: Cross multiply
   23,763.18x = 35,650.74 × 7,123.20
4. Step 4: Simplify right side
   23,763.18x = 253,947,351.17
5. Step 5: Solve for x
   x = 253,947,351.17/23,763.18
6. Step 6: Final answer
   x = 10,686.59