Finding the Fourth Proportional to 978,238.20, 1,464,404.84 and 978,238.20

Step by Step Solution

1. Step 1: Write the proportion equation
   978,238.20 : 1,464,404.84 = 978,238.20 : x
2. Step 2: Convert to fraction form
   978,238.20/1,464,404.84 = 978,238.20/x
3. Step 3: Cross multiply
   978,238.20x = 1,464,404.84 × 978,238.20
4. Step 4: Simplify right side
   978,238.20x = 1,432,536,754,752.89
5. Step 5: Solve for x
   x = 1,432,536,754,752.89/978,238.20
6. Step 6: Final answer
   x = 1,464,404.84