Finding the Fourth Proportional to 30,479.79, 42,062.18 and 17,051.27

Step by Step Solution

1. Step 1: Write the proportion equation
   30,479.79 : 42,062.18 = 17,051.27 : x
2. Step 2: Convert to fraction form
   30,479.79/42,062.18 = 17,051.27/x
3. Step 3: Cross multiply
   30,479.79x = 42,062.18 × 17,051.27
4. Step 4: Simplify right side
   30,479.79x = 717,213,529.00
5. Step 5: Solve for x
   x = 717,213,529.00/30,479.79
6. Step 6: Final answer
   x = 23,530.79