Finding the Fourth Proportional to 3,685.55, 5,085.69 and 2,269.01

Step by Step Solution

1. Step 1: Write the proportion equation
   3,685.55 : 5,085.69 = 2,269.01 : x
2. Step 2: Convert to fraction form
   3,685.55/5,085.69 = 2,269.01/x
3. Step 3: Cross multiply
   3,685.55x = 5,085.69 × 2,269.01
4. Step 4: Simplify right side
   3,685.55x = 11,539,485.67
5. Step 5: Solve for x
   x = 11,539,485.67/3,685.55
6. Step 6: Final answer
   x = 3,131.01