Finding the Fourth Proportional to 1,978,196.82, 2,967,206.05 and 824,968.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,978,196.82 : 2,967,206.05 = 824,968.50 : x
2. Step 2: Convert to fraction form
   1,978,196.82/2,967,206.05 = 824,968.50/x
3. Step 3: Cross multiply
   1,978,196.82x = 2,967,206.05 × 824,968.50
4. Step 4: Simplify right side
   1,978,196.82x = 2,447,851,524,259.42
5. Step 5: Solve for x
   x = 2,447,851,524,259.42/1,978,196.82
6. Step 6: Final answer
   x = 1,237,415.56