Finding the Fourth Proportional to 2,495,401.80, 3,743,090.55 and 978,012.60

Step by Step Solution

1. Step 1: Write the proportion equation
   2,495,401.80 : 3,743,090.55 = 978,012.60 : x
2. Step 2: Convert to fraction form
   2,495,401.80/3,743,090.55 = 978,012.60/x
3. Step 3: Cross multiply
   2,495,401.80x = 3,743,090.55 × 978,012.60
4. Step 4: Simplify right side
   2,495,401.80x = 3,660,789,720,840.93
5. Step 5: Solve for x
   x = 3,660,789,720,840.93/2,495,401.80
6. Step 6: Final answer
   x = 1,467,014.14