Finding the Fourth Proportional to 2,576,326.30, 3,863,323.05 and 978,358.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,576,326.30 : 3,863,323.05 = 978,358.30 : x
2. Step 2: Convert to fraction form
   2,576,326.30/3,863,323.05 = 978,358.30/x
3. Step 3: Cross multiply
   2,576,326.30x = 3,863,323.05 × 978,358.30
4. Step 4: Simplify right side
   2,576,326.30x = 3,779,714,171,548.82
5. Step 5: Solve for x
   x = 3,779,714,171,548.82/2,576,326.30
6. Step 6: Final answer
   x = 1,467,094.51