Finding the Fourth Proportional to 12,219.59, 16,862.00 and 7,184.03

Step by Step Solution

1. Step 1: Write the proportion equation
   12,219.59 : 16,862.00 = 7,184.03 : x
2. Step 2: Convert to fraction form
   12,219.59/16,862.00 = 7,184.03/x
3. Step 3: Cross multiply
   12,219.59x = 16,862.00 × 7,184.03
4. Step 4: Simplify right side
   12,219.59x = 121,136,993.63
5. Step 5: Solve for x
   x = 121,136,993.63/12,219.59
6. Step 6: Final answer
   x = 9,913.34