Finding the Fourth Proportional to 2,237,908.10, 3,356,862.15 and 978,196.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,237,908.10 : 3,356,862.15 = 978,196.10 : x
2. Step 2: Convert to fraction form
   2,237,908.10/3,356,862.15 = 978,196.10/x
3. Step 3: Cross multiply
   2,237,908.10x = 3,356,862.15 × 978,196.10
4. Step 4: Simplify right side
   2,237,908.10x = 3,283,669,463,367.62
5. Step 5: Solve for x
   x = 3,283,669,463,367.62/2,237,908.10
6. Step 6: Final answer
   x = 1,467,294.15