Finding the Fourth Proportional to 28,096.84, 42,151.42 and 10,566.66

Step by Step Solution

1. Step 1: Write the proportion equation
   28,096.84 : 42,151.42 = 10,566.66 : x
2. Step 2: Convert to fraction form
   28,096.84/42,151.42 = 10,566.66/x
3. Step 3: Cross multiply
   28,096.84x = 42,151.42 × 10,566.66
4. Step 4: Simplify right side
   28,096.84x = 445,399,723.66
5. Step 5: Solve for x
   x = 445,399,723.66/28,096.84
6. Step 6: Final answer
   x = 15,852.31