Finding the Fourth Proportional to 1,171.56, 1,755.93 and 651.54

Step by Step Solution

1. Step 1: Write the proportion equation
   1,171.56 : 1,755.93 = 651.54 : x
2. Step 2: Convert to fraction form
   1,171.56/1,755.93 = 651.54/x
3. Step 3: Cross multiply
   1,171.56x = 1,755.93 × 651.54
4. Step 4: Simplify right side
   1,171.56x = 1,144,058.63
5. Step 5: Solve for x
   x = 1,144,058.63/1,171.56
6. Step 6: Final answer
   x = 976.53