Finding the Fourth Proportional to 5,645.02, 7,790.43 and 3,549.82

Step by Step Solution

1. Step 1: Write the proportion equation
   5,645.02 : 7,790.43 = 3,549.82 : x
2. Step 2: Convert to fraction form
   5,645.02/7,790.43 = 3,549.82/x
3. Step 3: Cross multiply
   5,645.02x = 7,790.43 × 3,549.82
4. Step 4: Simplify right side
   5,645.02x = 27,654,624.22
5. Step 5: Solve for x
   x = 27,654,624.22/5,645.02
6. Step 6: Final answer
   x = 4,898.94