Finding the Fourth Proportional to 2,558.88, 3,838.55 and 710.00

Step by Step Solution

1. Step 1: Write the proportion equation
   2,558.88 : 3,838.55 = 710.00 : x
2. Step 2: Convert to fraction form
   2,558.88/3,838.55 = 710.00/x
3. Step 3: Cross multiply
   2,558.88x = 3,838.55 × 710.00
4. Step 4: Simplify right side
   2,558.88x = 2,725,347.76
5. Step 5: Solve for x
   x = 2,725,347.76/2,558.88
6. Step 6: Final answer
   x = 1,065.05