Finding the Fourth Proportional to 30,830.88, 42,548.88 and 17,403.33

Step by Step Solution

1. Step 1: Write the proportion equation
   30,830.88 : 42,548.88 = 17,403.33 : x
2. Step 2: Convert to fraction form
   30,830.88/42,548.88 = 17,403.33/x
3. Step 3: Cross multiply
   30,830.88x = 42,548.88 × 17,403.33
4. Step 4: Simplify right side
   30,830.88x = 740,492,199.77
5. Step 5: Solve for x
   x = 740,492,199.77/30,830.88
6. Step 6: Final answer
   x = 24,017.87