Finding the Fourth Proportional to 1,300.10, 1,794.10 and 710.63

Step by Step Solution

1. Step 1: Write the proportion equation
   1,300.10 : 1,794.10 = 710.63 : x
2. Step 2: Convert to fraction form
   1,300.10/1,794.10 = 710.63/x
3. Step 3: Cross multiply
   1,300.10x = 1,794.10 × 710.63
4. Step 4: Simplify right side
   1,300.10x = 1,274,928.76
5. Step 5: Solve for x
   x = 1,274,928.76/1,300.10
6. Step 6: Final answer
   x = 980.64