Finding the Fourth Proportional to 1,419,420.72, 1,958,775.30 and 807,560.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,419,420.72 : 1,958,775.30 = 807,560.31 : x
2. Step 2: Convert to fraction form
   1,419,420.72/1,958,775.30 = 807,560.31/x
3. Step 3: Cross multiply
   1,419,420.72x = 1,958,775.30 × 807,560.31
4. Step 4: Simplify right side
   1,419,420.72x = 1,581,829,188,488.34
5. Step 5: Solve for x
   x = 1,581,829,188,488.34/1,419,420.72
6. Step 6: Final answer
   x = 1,114,418.84