Finding the Fourth Proportional to 1,172.76, 1,756.82 and 651.93

Step by Step Solution

1. Step 1: Write the proportion equation
   1,172.76 : 1,756.82 = 651.93 : x
2. Step 2: Convert to fraction form
   1,172.76/1,756.82 = 651.93/x
3. Step 3: Cross multiply
   1,172.76x = 1,756.82 × 651.93
4. Step 4: Simplify right side
   1,172.76x = 1,145,320.40
5. Step 5: Solve for x
   x = 1,145,320.40/1,172.76
6. Step 6: Final answer
   x = 976.60