Finding the Fourth Proportional to 1,494,950.72, 2,062,314.38 and 978,477.23

Step by Step Solution

1. Step 1: Write the proportion equation
   1,494,950.72 : 2,062,314.38 = 978,477.23 : x
2. Step 2: Convert to fraction form
   1,494,950.72/2,062,314.38 = 978,477.23/x
3. Step 3: Cross multiply
   1,494,950.72x = 2,062,314.38 × 978,477.23
4. Step 4: Simplify right side
   1,494,950.72x = 2,017,927,646,727.61
5. Step 5: Solve for x
   x = 2,017,927,646,727.61/1,494,950.72
6. Step 6: Final answer
   x = 1,349,828.88