Finding the Fourth Proportional to 1,880.55, 2,818.94 and 710.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,880.55 : 2,818.94 = 710.37 : x
2. Step 2: Convert to fraction form
   1,880.55/2,818.94 = 710.37/x
3. Step 3: Cross multiply
   1,880.55x = 2,818.94 × 710.37
4. Step 4: Simplify right side
   1,880.55x = 2,002,486.86
5. Step 5: Solve for x
   x = 2,002,486.86/1,880.55
6. Step 6: Final answer
   x = 1,064.84