Finding the Fourth Proportional to 23,789.56, 35,686.18 and 7,148.28

Step by Step Solution

1. Step 1: Write the proportion equation
   23,789.56 : 35,686.18 = 7,148.28 : x
2. Step 2: Convert to fraction form
   23,789.56/35,686.18 = 7,148.28/x
3. Step 3: Cross multiply
   23,789.56x = 35,686.18 × 7,148.28
4. Step 4: Simplify right side
   23,789.56x = 255,094,806.77
5. Step 5: Solve for x
   x = 255,094,806.77/23,789.56
6. Step 6: Final answer
   x = 10,722.97