Finding the Fourth Proportional to 30,758.83, 42,445.61 and 17,330.87

Step by Step Solution

1. Step 1: Write the proportion equation
   30,758.83 : 42,445.61 = 17,330.87 : x
2. Step 2: Convert to fraction form
   30,758.83/42,445.61 = 17,330.87/x
3. Step 3: Cross multiply
   30,758.83x = 42,445.61 × 17,330.87
4. Step 4: Simplify right side
   30,758.83x = 735,619,262.33
5. Step 5: Solve for x
   x = 735,619,262.33/30,758.83
6. Step 6: Final answer
   x = 23,915.71