Finding the Fourth Proportional to 30,699.95, 42,365.61 and 17,271.27

Step by Step Solution

1. Step 1: Write the proportion equation
   30,699.95 : 42,365.61 = 17,271.27 : x
2. Step 2: Convert to fraction form
   30,699.95/42,365.61 = 17,271.27/x
3. Step 3: Cross multiply
   30,699.95x = 42,365.61 × 17,271.27
4. Step 4: Simplify right side
   30,699.95x = 731,707,889.02
5. Step 5: Solve for x
   x = 731,707,889.02/30,699.95
6. Step 6: Final answer
   x = 23,834.18