Finding the Fourth Proportional to 28,598.06, 39,465.33 and 17,420.06

Step by Step Solution

1. Step 1: Write the proportion equation
   28,598.06 : 39,465.33 = 17,420.06 : x
2. Step 2: Convert to fraction form
   28,598.06/39,465.33 = 17,420.06/x
3. Step 3: Cross multiply
   28,598.06x = 39,465.33 × 17,420.06
4. Step 4: Simplify right side
   28,598.06x = 687,488,449.86
5. Step 5: Solve for x
   x = 687,488,449.86/28,598.06
6. Step 6: Final answer
   x = 24,039.69