Finding the Fourth Proportional to 1,345,142.18, 1,856,308.73 and 741,551.78

Step by Step Solution

1. Step 1: Write the proportion equation
   1,345,142.18 : 1,856,308.73 = 741,551.78 : x
2. Step 2: Convert to fraction form
   1,345,142.18/1,856,308.73 = 741,551.78/x
3. Step 3: Cross multiply
   1,345,142.18x = 1,856,308.73 × 741,551.78
4. Step 4: Simplify right side
   1,345,142.18x = 1,376,549,042,961.04
5. Step 5: Solve for x
   x = 1,376,549,042,961.04/1,345,142.18
6. Step 6: Final answer
   x = 1,023,348.36