Finding the Fourth Proportional to 11,410.41, 17,091.35 and 5,478.56

Step by Step Solution

1. Step 1: Write the proportion equation
   11,410.41 : 17,091.35 = 5,478.56 : x
2. Step 2: Convert to fraction form
   11,410.41/17,091.35 = 5,478.56/x
3. Step 3: Cross multiply
   11,410.41x = 17,091.35 × 5,478.56
4. Step 4: Simplify right side
   11,410.41x = 93,635,873.61
5. Step 5: Solve for x
   x = 93,635,873.61/11,410.41
6. Step 6: Final answer
   x = 8,206.18