Finding the Fourth Proportional to 30,669.75, 42,321.47 and 17,746.79

Step by Step Solution

1. Step 1: Write the proportion equation
   30,669.75 : 42,321.47 = 17,746.79 : x
2. Step 2: Convert to fraction form
   30,669.75/42,321.47 = 17,746.79/x
3. Step 3: Cross multiply
   30,669.75x = 42,321.47 × 17,746.79
4. Step 4: Simplify right side
   30,669.75x = 751,070,381.37
5. Step 5: Solve for x
   x = 751,070,381.37/30,669.75
6. Step 6: Final answer
   x = 24,488.96