Finding the Fourth Proportional to 1,267.37, 1,748.88 and 707.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,267.37 : 1,748.88 = 707.89 : x
2. Step 2: Convert to fraction form
   1,267.37/1,748.88 = 707.89/x
3. Step 3: Cross multiply
   1,267.37x = 1,748.88 × 707.89
4. Step 4: Simplify right side
   1,267.37x = 1,238,014.66
5. Step 5: Solve for x
   x = 1,238,014.66/1,267.37
6. Step 6: Final answer
   x = 976.84