Finding the Fourth Proportional to 21,368.52, 32,075.33 and 12,016.53

Step by Step Solution

1. Step 1: Write the proportion equation
   21,368.52 : 32,075.33 = 12,016.53 : x
2. Step 2: Convert to fraction form
   21,368.52/32,075.33 = 12,016.53/x
3. Step 3: Cross multiply
   21,368.52x = 32,075.33 × 12,016.53
4. Step 4: Simplify right side
   21,368.52x = 385,434,105.12
5. Step 5: Solve for x
   x = 385,434,105.12/21,368.52
6. Step 6: Final answer
   x = 18,037.47