Finding the Fourth Proportional to 34,826.28, 48,066.18 and 20,686.76

Step by Step Solution

1. Step 1: Write the proportion equation
   34,826.28 : 48,066.18 = 20,686.76 : x
2. Step 2: Convert to fraction form
   34,826.28/48,066.18 = 20,686.76/x
3. Step 3: Cross multiply
   34,826.28x = 48,066.18 × 20,686.76
4. Step 4: Simplify right side
   34,826.28x = 994,333,529.78
5. Step 5: Solve for x
   x = 994,333,529.78/34,826.28
6. Step 6: Final answer
   x = 28,551.24