Finding the Fourth Proportional to 11,085.40, 16,618.20 and 4,060.52

Step by Step Solution

1. Step 1: Write the proportion equation
   11,085.40 : 16,618.20 = 4,060.52 : x
2. Step 2: Convert to fraction form
   11,085.40/16,618.20 = 4,060.52/x
3. Step 3: Cross multiply
   11,085.40x = 16,618.20 × 4,060.52
4. Step 4: Simplify right side
   11,085.40x = 67,478,533.46
5. Step 5: Solve for x
   x = 67,478,533.46/11,085.40
6. Step 6: Final answer
   x = 6,087.15