Finding the Fourth Proportional to 11,845.10, 17,767.59 and 11,123.34

Step by Step Solution

1. Step 1: Write the proportion equation
   11,845.10 : 17,767.59 = 11,123.34 : x
2. Step 2: Convert to fraction form
   11,845.10/17,767.59 = 11,123.34/x
3. Step 3: Cross multiply
   11,845.10x = 17,767.59 × 11,123.34
4. Step 4: Simplify right side
   11,845.10x = 197,634,944.55
5. Step 5: Solve for x
   x = 197,634,944.55/11,845.10
6. Step 6: Final answer
   x = 16,684.95