Finding the Fourth Proportional to 28,300.24, 39,054.56 and 17,696.02

Step by Step Solution

1. Step 1: Write the proportion equation
   28,300.24 : 39,054.56 = 17,696.02 : x
2. Step 2: Convert to fraction form
   28,300.24/39,054.56 = 17,696.02/x
3. Step 3: Cross multiply
   28,300.24x = 39,054.56 × 17,696.02
4. Step 4: Simplify right side
   28,300.24x = 691,110,274.85
5. Step 5: Solve for x
   x = 691,110,274.85/28,300.24
6. Step 6: Final answer
   x = 24,420.65