Finding the Fourth Proportional to 1,266.96, 1,748.56 and 707.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,266.96 : 1,748.56 = 707.52 : x
2. Step 2: Convert to fraction form
   1,266.96/1,748.56 = 707.52/x
3. Step 3: Cross multiply
   1,266.96x = 1,748.56 × 707.52
4. Step 4: Simplify right side
   1,266.96x = 1,237,141.17
5. Step 5: Solve for x
   x = 1,237,141.17/1,266.96
6. Step 6: Final answer
   x = 976.46