Finding the Fourth Proportional to 11,375.56, 17,066.42 and 3,477.86

Step by Step Solution

1. Step 1: Write the proportion equation
   11,375.56 : 17,066.42 = 3,477.86 : x
2. Step 2: Convert to fraction form
   11,375.56/17,066.42 = 3,477.86/x
3. Step 3: Cross multiply
   11,375.56x = 17,066.42 × 3,477.86
4. Step 4: Simplify right side
   11,375.56x = 59,354,619.46
5. Step 5: Solve for x
   x = 59,354,619.46/11,375.56
6. Step 6: Final answer
   x = 5,217.73