Finding the Fourth Proportional to 1,169,513, 1,613,941.40 and 686,086.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,169,513 : 1,613,941.40 = 686,086.37 : x
2. Step 2: Convert to fraction form
   1,169,513/1,613,941.40 = 686,086.37/x
3. Step 3: Cross multiply
   1,169,513x = 1,613,941.40 × 686,086.37
4. Step 4: Simplify right side
   1,169,513x = 1,107,303,196,518.72
5. Step 5: Solve for x
   x = 1,107,303,196,518.72/1,169,513
6. Step 6: Final answer
   x = 946,807.09