Finding the Fourth Proportional to 1,980,410.61, 2,970,997.82 and 843,151.98

Step by Step Solution

1. Step 1: Write the proportion equation
   1,980,410.61 : 2,970,997.82 = 843,151.98 : x
2. Step 2: Convert to fraction form
   1,980,410.61/2,970,997.82 = 843,151.98/x
3. Step 3: Cross multiply
   1,980,410.61x = 2,970,997.82 × 843,151.98
4. Step 4: Simplify right side
   1,980,410.61x = 2,505,002,681,761.57
5. Step 5: Solve for x
   x = 2,505,002,681,761.57/1,980,410.61
6. Step 6: Final answer
   x = 1,264,890.56