Finding the Fourth Proportional to 10,297.19, 14,212.85 and 7,111.01

Step by Step Solution

1. Step 1: Write the proportion equation
   10,297.19 : 14,212.85 = 7,111.01 : x
2. Step 2: Convert to fraction form
   10,297.19/14,212.85 = 7,111.01/x
3. Step 3: Cross multiply
   10,297.19x = 14,212.85 × 7,111.01
4. Step 4: Simplify right side
   10,297.19x = 101,067,611.86
5. Step 5: Solve for x
   x = 101,067,611.86/10,297.19
6. Step 6: Final answer
   x = 9,815.07