Finding the Fourth Proportional to 1,494,386.88, 2,061,629.84 and 978,267.02

Step by Step Solution

1. Step 1: Write the proportion equation
   1,494,386.88 : 2,061,629.84 = 978,267.02 : x
2. Step 2: Convert to fraction form
   1,494,386.88/2,061,629.84 = 978,267.02/x
3. Step 3: Cross multiply
   1,494,386.88x = 2,061,629.84 × 978,267.02
4. Step 4: Simplify right side
   1,494,386.88x = 2,016,824,479,919.88
5. Step 5: Solve for x
   x = 2,016,824,479,919.88/1,494,386.88
6. Step 6: Final answer
   x = 1,349,599.96