Finding the Fourth Proportional to 1,200,191.99, 1,656,293.71 and 683,934.85

Step by Step Solution

1. Step 1: Write the proportion equation
   1,200,191.99 : 1,656,293.71 = 683,934.85 : x
2. Step 2: Convert to fraction form
   1,200,191.99/1,656,293.71 = 683,934.85/x
3. Step 3: Cross multiply
   1,200,191.99x = 1,656,293.71 × 683,934.85
4. Step 4: Simplify right side
   1,200,191.99x = 1,132,796,984,254.22
5. Step 5: Solve for x
   x = 1,132,796,984,254.22/1,200,191.99
6. Step 6: Final answer
   x = 943,846.48