Finding the Fourth Proportional to 1,494,951.72, 2,062,315.75 and 978,478.23

Step by Step Solution

1. Step 1: Write the proportion equation
   1,494,951.72 : 2,062,315.75 = 978,478.23 : x
2. Step 2: Convert to fraction form
   1,494,951.72/2,062,315.75 = 978,478.23/x
3. Step 3: Cross multiply
   1,494,951.72x = 2,062,315.75 × 978,478.23
4. Step 4: Simplify right side
   1,494,951.72x = 2,017,931,064,761.12
5. Step 5: Solve for x
   x = 2,017,931,064,761.12/1,494,951.72
6. Step 6: Final answer
   x = 1,349,830.26