Finding the Fourth Proportional to 10,997.91, 15,162.84 and 7,012.10

Step by Step Solution

1. Step 1: Write the proportion equation
   10,997.91 : 15,162.84 = 7,012.10 : x
2. Step 2: Convert to fraction form
   10,997.91/15,162.84 = 7,012.10/x
3. Step 3: Cross multiply
   10,997.91x = 15,162.84 × 7,012.10
4. Step 4: Simplify right side
   10,997.91x = 106,323,388.27
5. Step 5: Solve for x
   x = 106,323,388.27/10,997.91
6. Step 6: Final answer
   x = 9,667.60