Finding the Fourth Proportional to 9,052.31, 12,491.98 and 5,019.12

Step by Step Solution

1. Step 1: Write the proportion equation
   9,052.31 : 12,491.98 = 5,019.12 : x
2. Step 2: Convert to fraction form
   9,052.31/12,491.98 = 5,019.12/x
3. Step 3: Cross multiply
   9,052.31x = 12,491.98 × 5,019.12
4. Step 4: Simplify right side
   9,052.31x = 62,698,734.11
5. Step 5: Solve for x
   x = 62,698,734.11/9,052.31
6. Step 6: Final answer
   x = 6,926.27