Finding the Fourth Proportional to 17,420.06, 24,023.31 and 13,434.86

Step by Step Solution

1. Step 1: Write the proportion equation
   17,420.06 : 24,023.31 = 13,434.86 : x
2. Step 2: Convert to fraction form
   17,420.06/24,023.31 = 13,434.86/x
3. Step 3: Cross multiply
   17,420.06x = 24,023.31 × 13,434.86
4. Step 4: Simplify right side
   17,420.06x = 322,749,806.59
5. Step 5: Solve for x
   x = 322,749,806.59/17,420.06
6. Step 6: Final answer
   x = 18,527.48