Finding the Fourth Proportional to 1,345,196.18, 1,856,385.09 and 741,605.78

Step by Step Solution

1. Step 1: Write the proportion equation
   1,345,196.18 : 1,856,385.09 = 741,605.78 : x
2. Step 2: Convert to fraction form
   1,345,196.18/1,856,385.09 = 741,605.78/x
3. Step 3: Cross multiply
   1,345,196.18x = 1,856,385.09 × 741,605.78
4. Step 4: Simplify right side
   1,345,196.18x = 1,376,705,912,649.82
5. Step 5: Solve for x
   x = 1,376,705,912,649.82/1,345,196.18
6. Step 6: Final answer
   x = 1,023,423.89