Finding the Fourth Proportional to 3,505.82, 5,259.87 and 1,314.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,505.82 : 5,259.87 = 1,314.72 : x
2. Step 2: Convert to fraction form
   3,505.82/5,259.87 = 1,314.72/x
3. Step 3: Cross multiply
   3,505.82x = 5,259.87 × 1,314.72
4. Step 4: Simplify right side
   3,505.82x = 6,915,256.29
5. Step 5: Solve for x
   x = 6,915,256.29/3,505.82
6. Step 6: Final answer
   x = 1,972.51