Finding the Fourth Proportional to 6,091.78, 9,141.60 and 2,196.10

Step by Step Solution

1. Step 1: Write the proportion equation
   6,091.78 : 9,141.60 = 2,196.10 : x
2. Step 2: Convert to fraction form
   6,091.78/9,141.60 = 2,196.10/x
3. Step 3: Cross multiply
   6,091.78x = 9,141.60 × 2,196.10
4. Step 4: Simplify right side
   6,091.78x = 20,075,867.76
5. Step 5: Solve for x
   x = 20,075,867.76/6,091.78
6. Step 6: Final answer
   x = 3,295.57