Finding the Fourth Proportional to 9,048.01, 12,486.22 and 5,015.10

Step by Step Solution

1. Step 1: Write the proportion equation
   9,048.01 : 12,486.22 = 5,015.10 : x
2. Step 2: Convert to fraction form
   9,048.01/12,486.22 = 5,015.10/x
3. Step 3: Cross multiply
   9,048.01x = 12,486.22 × 5,015.10
4. Step 4: Simplify right side
   9,048.01x = 62,619,641.92
5. Step 5: Solve for x
   x = 62,619,641.92/9,048.01
6. Step 6: Final answer
   x = 6,920.82