Finding the Fourth Proportional to 6,772.53, 10,158.18 and 2,091.30

Step by Step Solution

1. Step 1: Write the proportion equation
   6,772.53 : 10,158.18 = 2,091.30 : x
2. Step 2: Convert to fraction form
   6,772.53/10,158.18 = 2,091.30/x
3. Step 3: Cross multiply
   6,772.53x = 10,158.18 × 2,091.30
4. Step 4: Simplify right side
   6,772.53x = 21,243,801.83
5. Step 5: Solve for x
   x = 21,243,801.83/6,772.53
6. Step 6: Final answer
   x = 3,136.76