Finding the Fourth Proportional to 3,665.86, 5,495.70 and 2,492.57

Step by Step Solution

1. Step 1: Write the proportion equation
   3,665.86 : 5,495.70 = 2,492.57 : x
2. Step 2: Convert to fraction form
   3,665.86/5,495.70 = 2,492.57/x
3. Step 3: Cross multiply
   3,665.86x = 5,495.70 × 2,492.57
4. Step 4: Simplify right side
   3,665.86x = 13,698,426.01
5. Step 5: Solve for x
   x = 13,698,426.01/3,665.86
6. Step 6: Final answer
   x = 3,736.76