Finding the Fourth Proportional to 30,498.26, 42,088.42 and 17,071.84

Step by Step Solution

1. Step 1: Write the proportion equation
   30,498.26 : 42,088.42 = 17,071.84 : x
2. Step 2: Convert to fraction form
   30,498.26/42,088.42 = 17,071.84/x
3. Step 3: Cross multiply
   30,498.26x = 42,088.42 × 17,071.84
4. Step 4: Simplify right side
   30,498.26x = 718,526,772.09
5. Step 5: Solve for x
   x = 718,526,772.09/30,498.26
6. Step 6: Final answer
   x = 23,559.60