Finding the Fourth Proportional to 1,196,774.55, 1,651,540.98 and 680,528.49

Step by Step Solution

1. Step 1: Write the proportion equation
   1,196,774.55 : 1,651,540.98 = 680,528.49 : x
2. Step 2: Convert to fraction form
   1,196,774.55/1,651,540.98 = 680,528.49/x
3. Step 3: Cross multiply
   1,196,774.55x = 1,651,540.98 × 680,528.49
4. Step 4: Simplify right side
   1,196,774.55x = 1,123,920,689,292.52
5. Step 5: Solve for x
   x = 1,123,920,689,292.52/1,196,774.55
6. Step 6: Final answer
   x = 939,124.82