Finding the Fourth Proportional to 5,196.91, 7,788.46 and 2,272.03

Step by Step Solution

1. Step 1: Write the proportion equation
   5,196.91 : 7,788.46 = 2,272.03 : x
2. Step 2: Convert to fraction form
   5,196.91/7,788.46 = 2,272.03/x
3. Step 3: Cross multiply
   5,196.91x = 7,788.46 × 2,272.03
4. Step 4: Simplify right side
   5,196.91x = 17,695,614.77
5. Step 5: Solve for x
   x = 17,695,614.77/5,196.91
6. Step 6: Final answer
   x = 3,405.03