Finding the Fourth Proportional to 3,693.52, 5,097.18 and 2,015.07

Step by Step Solution

1. Step 1: Write the proportion equation
   3,693.52 : 5,097.18 = 2,015.07 : x
2. Step 2: Convert to fraction form
   3,693.52/5,097.18 = 2,015.07/x
3. Step 3: Cross multiply
   3,693.52x = 5,097.18 × 2,015.07
4. Step 4: Simplify right side
   3,693.52x = 10,271,174.50
5. Step 5: Solve for x
   x = 10,271,174.50/3,693.52
6. Step 6: Final answer
   x = 2,780.86