Finding the Fourth Proportional to 978,801.98, 1,468,774.62 and 410,134.59

Step by Step Solution

1. Step 1: Write the proportion equation
   978,801.98 : 1,468,774.62 = 410,134.59 : x
2. Step 2: Convert to fraction form
   978,801.98/1,468,774.62 = 410,134.59/x
3. Step 3: Cross multiply
   978,801.98x = 1,468,774.62 × 410,134.59
4. Step 4: Simplify right side
   978,801.98x = 602,395,276,576.11
5. Step 5: Solve for x
   x = 602,395,276,576.11/978,801.98
6. Step 6: Final answer
   x = 615,441.42