Finding the Fourth Proportional to 1,978,899.96, 2,968,108.02 and 842,118.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,978,899.96 : 2,968,108.02 = 842,118.96 : x
2. Step 2: Convert to fraction form
   1,978,899.96/2,968,108.02 = 842,118.96/x
3. Step 3: Cross multiply
   1,978,899.96x = 2,968,108.02 × 842,118.96
4. Step 4: Simplify right side
   1,978,899.96x = 2,499,500,038,970.06
5. Step 5: Solve for x
   x = 2,499,500,038,970.06/1,978,899.96
6. Step 6: Final answer
   x = 1,263,075.49