Finding the Fourth Proportional to 11,111.55, 16,661.02 and 4,530.03

Step by Step Solution

1. Step 1: Write the proportion equation
   11,111.55 : 16,661.02 = 4,530.03 : x
2. Step 2: Convert to fraction form
   11,111.55/16,661.02 = 4,530.03/x
3. Step 3: Cross multiply
   11,111.55x = 16,661.02 × 4,530.03
4. Step 4: Simplify right side
   11,111.55x = 75,474,920.43
5. Step 5: Solve for x
   x = 75,474,920.43/11,111.55
6. Step 6: Final answer
   x = 6,792.47