Finding the Fourth Proportional to 28,096.09, 42,150.29 and 10,565.91

Step by Step Solution

1. Step 1: Write the proportion equation
   28,096.09 : 42,150.29 = 10,565.91 : x
2. Step 2: Convert to fraction form
   28,096.09/42,150.29 = 10,565.91/x
3. Step 3: Cross multiply
   28,096.09x = 42,150.29 × 10,565.91
4. Step 4: Simplify right side
   28,096.09x = 445,356,170.61
5. Step 5: Solve for x
   x = 445,356,170.61/28,096.09
6. Step 6: Final answer
   x = 15,851.18