Finding the Fourth Proportional to 11,570.78, 17,353.46 and 3,251.60

Step by Step Solution

1. Step 1: Write the proportion equation
   11,570.78 : 17,353.46 = 3,251.60 : x
2. Step 2: Convert to fraction form
   11,570.78/17,353.46 = 3,251.60/x
3. Step 3: Cross multiply
   11,570.78x = 17,353.46 × 3,251.60
4. Step 4: Simplify right side
   11,570.78x = 56,426,431.90
5. Step 5: Solve for x
   x = 56,426,431.90/11,570.78
6. Step 6: Final answer
   x = 4,876.63