Finding the Fourth Proportional to 11,123.40, 16,684.76 and 2,803.46

Step by Step Solution

1. Step 1: Write the proportion equation
   11,123.40 : 16,684.76 = 2,803.46 : x
2. Step 2: Convert to fraction form
   11,123.40/16,684.76 = 2,803.46/x
3. Step 3: Cross multiply
   11,123.40x = 16,684.76 × 2,803.46
4. Step 4: Simplify right side
   11,123.40x = 46,775,066.82
5. Step 5: Solve for x
   x = 46,775,066.82/11,123.40
6. Step 6: Final answer
   x = 4,205.10