Finding the Fourth Proportional to 11,570.12, 17,353.74 and 3,778.28

Step by Step Solution

1. Step 1: Write the proportion equation
   11,570.12 : 17,353.74 = 3,778.28 : x
2. Step 2: Convert to fraction form
   11,570.12/17,353.74 = 3,778.28/x
3. Step 3: Cross multiply
   11,570.12x = 17,353.74 × 3,778.28
4. Step 4: Simplify right side
   11,570.12x = 65,567,288.77
5. Step 5: Solve for x
   x = 65,567,288.77/11,570.12
6. Step 6: Final answer
   x = 5,666.95