Finding the Fourth Proportional to 1,296.02, 1,788.53 and 706.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,296.02 : 1,788.53 = 706.56 : x
2. Step 2: Convert to fraction form
   1,296.02/1,788.53 = 706.56/x
3. Step 3: Cross multiply
   1,296.02x = 1,788.53 × 706.56
4. Step 4: Simplify right side
   1,296.02x = 1,263,700.22
5. Step 5: Solve for x
   x = 1,263,700.22/1,296.02
6. Step 6: Final answer
   x = 975.06