Finding the Fourth Proportional to 3,774.06, 5,193.72 and 3,664.98

Step by Step Solution

1. Step 1: Write the proportion equation
   3,774.06 : 5,193.72 = 3,664.98 : x
2. Step 2: Convert to fraction form
   3,774.06/5,193.72 = 3,664.98/x
3. Step 3: Cross multiply
   3,774.06x = 5,193.72 × 3,664.98
4. Step 4: Simplify right side
   3,774.06x = 19,034,879.93
5. Step 5: Solve for x
   x = 19,034,879.93/3,774.06
6. Step 6: Final answer
   x = 5,043.61