Finding the Fourth Proportional to 997,541.56, 1,373,707.89 and 866,658.69

Step by Step Solution

1. Step 1: Write the proportion equation
   997,541.56 : 1,373,707.89 = 866,658.69 : x
2. Step 2: Convert to fraction form
   997,541.56/1,373,707.89 = 866,658.69/x
3. Step 3: Cross multiply
   997,541.56x = 1,373,707.89 × 866,658.69
4. Step 4: Simplify right side
   997,541.56x = 1,190,535,880,390.06
5. Step 5: Solve for x
   x = 1,190,535,880,390.06/997,541.56
6. Step 6: Final answer
   x = 1,193,469.95