Finding the Fourth Proportional to 28,334.29, 42,500.55 and 7,273.48

Step by Step Solution

1. Step 1: Write the proportion equation
   28,334.29 : 42,500.55 = 7,273.48 : x
2. Step 2: Convert to fraction form
   28,334.29/42,500.55 = 7,273.48/x
3. Step 3: Cross multiply
   28,334.29x = 42,500.55 × 7,273.48
4. Step 4: Simplify right side
   28,334.29x = 309,126,687.91
5. Step 5: Solve for x
   x = 309,126,687.91/28,334.29
6. Step 6: Final answer
   x = 10,909.99