Finding the Fourth Proportional to 1,196,760, 1,651,490.90 and 680,569.98

Step by Step Solution

1. Step 1: Write the proportion equation
   1,196,760 : 1,651,490.90 = 680,569.98 : x
2. Step 2: Convert to fraction form
   1,196,760/1,651,490.90 = 680,569.98/x
3. Step 3: Cross multiply
   1,196,760x = 1,651,490.90 × 680,569.98
4. Step 4: Simplify right side
   1,196,760x = 1,123,955,128,783.18
5. Step 5: Solve for x
   x = 1,123,955,128,783.18/1,196,760
6. Step 6: Final answer
   x = 939,165.02