Finding the Fourth Proportional to 1,196,788.55, 1,651,560.35 and 680,542.53

Step by Step Solution

1. Step 1: Write the proportion equation
   1,196,788.55 : 1,651,560.35 = 680,542.53 : x
2. Step 2: Convert to fraction form
   1,196,788.55/1,651,560.35 = 680,542.53/x
3. Step 3: Cross multiply
   1,196,788.55x = 1,651,560.35 × 680,542.53
4. Step 4: Simplify right side
   1,196,788.55x = 1,123,957,059,036.69
5. Step 5: Solve for x
   x = 1,123,957,059,036.69/1,196,788.55
6. Step 6: Final answer
   x = 939,144.23