Finding the Fourth Proportional to 28,047.26, 42,059.94 and 10,507.52

Step by Step Solution

1. Step 1: Write the proportion equation
   28,047.26 : 42,059.94 = 10,507.52 : x
2. Step 2: Convert to fraction form
   28,047.26/42,059.94 = 10,507.52/x
3. Step 3: Cross multiply
   28,047.26x = 42,059.94 × 10,507.52
4. Step 4: Simplify right side
   28,047.26x = 441,945,450.45
5. Step 5: Solve for x
   x = 441,945,450.45/28,047.26
6. Step 6: Final answer
   x = 15,757.17