Finding the Fourth Proportional to 3,782.58, 5,672.04 and 1,317.34

Step by Step Solution

1. Step 1: Write the proportion equation
   3,782.58 : 5,672.04 = 1,317.34 : x
2. Step 2: Convert to fraction form
   3,782.58/5,672.04 = 1,317.34/x
3. Step 3: Cross multiply
   3,782.58x = 5,672.04 × 1,317.34
4. Step 4: Simplify right side
   3,782.58x = 7,472,005.17
5. Step 5: Solve for x
   x = 7,472,005.17/3,782.58
6. Step 6: Final answer
   x = 1,975.37