Finding the Fourth Proportional to 14,216.35, 21,315.01 and 10,003.05

Step by Step Solution

1. Step 1: Write the proportion equation
   14,216.35 : 21,315.01 = 10,003.05 : x
2. Step 2: Convert to fraction form
   14,216.35/21,315.01 = 10,003.05/x
3. Step 3: Cross multiply
   14,216.35x = 21,315.01 × 10,003.05
4. Step 4: Simplify right side
   14,216.35x = 213,215,085.77
5. Step 5: Solve for x
   x = 213,215,085.77/14,216.35
6. Step 6: Final answer
   x = 14,997.88