Finding the Fourth Proportional to 17,173.89, 25,756.18 and 14,401.87

Step by Step Solution

1. Step 1: Write the proportion equation
   17,173.89 : 25,756.18 = 14,401.87 : x
2. Step 2: Convert to fraction form
   17,173.89/25,756.18 = 14,401.87/x
3. Step 3: Cross multiply
   17,173.89x = 25,756.18 × 14,401.87
4. Step 4: Simplify right side
   17,173.89x = 370,937,055.66
5. Step 5: Solve for x
   x = 370,937,055.66/17,173.89
6. Step 6: Final answer
   x = 21,598.90