Finding the Fourth Proportional to 17,200.84, 23,738.12 and 12,944.25

Step by Step Solution

1. Step 1: Write the proportion equation
   17,200.84 : 23,738.12 = 12,944.25 : x
2. Step 2: Convert to fraction form
   17,200.84/23,738.12 = 12,944.25/x
3. Step 3: Cross multiply
   17,200.84x = 23,738.12 × 12,944.25
4. Step 4: Simplify right side
   17,200.84x = 307,272,159.81
5. Step 5: Solve for x
   x = 307,272,159.81/17,200.84
6. Step 6: Final answer
   x = 17,863.79