Finding the Fourth Proportional to 3,505.59, 5,261.86 and 1,862.15

Step by Step Solution

1. Step 1: Write the proportion equation
   3,505.59 : 5,261.86 = 1,862.15 : x
2. Step 2: Convert to fraction form
   3,505.59/5,261.86 = 1,862.15/x
3. Step 3: Cross multiply
   3,505.59x = 5,261.86 × 1,862.15
4. Step 4: Simplify right side
   3,505.59x = 9,798,372.60
5. Step 5: Solve for x
   x = 9,798,372.60/3,505.59
6. Step 6: Final answer
   x = 2,795.07