Finding the Fourth Proportional to 7,072.43, 10,599.48 and 2,907.50

Step by Step Solution

1. Step 1: Write the proportion equation
   7,072.43 : 10,599.48 = 2,907.50 : x
2. Step 2: Convert to fraction form
   7,072.43/10,599.48 = 2,907.50/x
3. Step 3: Cross multiply
   7,072.43x = 10,599.48 × 2,907.50
4. Step 4: Simplify right side
   7,072.43x = 30,817,935.10
5. Step 5: Solve for x
   x = 30,817,935.10/7,072.43
6. Step 6: Final answer
   x = 4,357.48