Finding the Fourth Proportional to 1,300.79, 1,951.17 and 651.51

Step by Step Solution

1. Step 1: Write the proportion equation
   1,300.79 : 1,951.17 = 651.51 : x
2. Step 2: Convert to fraction form
   1,300.79/1,951.17 = 651.51/x
3. Step 3: Cross multiply
   1,300.79x = 1,951.17 × 651.51
4. Step 4: Simplify right side
   1,300.79x = 1,271,206.77
5. Step 5: Solve for x
   x = 1,271,206.77/1,300.79
6. Step 6: Final answer
   x = 977.26