Finding the Fourth Proportional to 11,317.14, 16,978.95 and 3,526.56

Step by Step Solution

1. Step 1: Write the proportion equation
   11,317.14 : 16,978.95 = 3,526.56 : x
2. Step 2: Convert to fraction form
   11,317.14/16,978.95 = 3,526.56/x
3. Step 3: Cross multiply
   11,317.14x = 16,978.95 × 3,526.56
4. Step 4: Simplify right side
   11,317.14x = 59,877,285.91
5. Step 5: Solve for x
   x = 59,877,285.91/11,317.14
6. Step 6: Final answer
   x = 5,290.85