Finding the Fourth Proportional to 28,052.72, 42,066.72 and 10,510.24

Step by Step Solution

1. Step 1: Write the proportion equation
   28,052.72 : 42,066.72 = 10,510.24 : x
2. Step 2: Convert to fraction form
   28,052.72/42,066.72 = 10,510.24/x
3. Step 3: Cross multiply
   28,052.72x = 42,066.72 × 10,510.24
4. Step 4: Simplify right side
   28,052.72x = 442,131,323.21
5. Step 5: Solve for x
   x = 442,131,323.21/28,052.72
6. Step 6: Final answer
   x = 15,760.73