Finding the Fourth Proportional to 1,978,197.82, 2,967,207.55 and 824,969.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,978,197.82 : 2,967,207.55 = 824,969.50 : x
2. Step 2: Convert to fraction form
   1,978,197.82/2,967,207.55 = 824,969.50/x
3. Step 3: Cross multiply
   1,978,197.82x = 2,967,207.55 × 824,969.50
4. Step 4: Simplify right side
   1,978,197.82x = 2,447,855,728,919.72
5. Step 5: Solve for x
   x = 2,447,855,728,919.72/1,978,197.82
6. Step 6: Final answer
   x = 1,237,417.06