Finding the Fourth Proportional to 6,602.19, 9,111.24 and 3,618.15

Step by Step Solution

1. Step 1: Write the proportion equation
   6,602.19 : 9,111.24 = 3,618.15 : x
2. Step 2: Convert to fraction form
   6,602.19/9,111.24 = 3,618.15/x
3. Step 3: Cross multiply
   6,602.19x = 9,111.24 × 3,618.15
4. Step 4: Simplify right side
   6,602.19x = 32,965,833.01
5. Step 5: Solve for x
   x = 32,965,833.01/6,602.19
6. Step 6: Final answer
   x = 4,993.17