Finding the Fourth Proportional to 978,952.74, 1,468,499.88 and 409,761.38

Step by Step Solution

1. Step 1: Write the proportion equation
   978,952.74 : 1,468,499.88 = 409,761.38 : x
2. Step 2: Convert to fraction form
   978,952.74/1,468,499.88 = 409,761.38/x
3. Step 3: Cross multiply
   978,952.74x = 1,468,499.88 × 409,761.38
4. Step 4: Simplify right side
   978,952.74x = 601,734,537,358.63
5. Step 5: Solve for x
   x = 601,734,537,358.63/978,952.74
6. Step 6: Final answer
   x = 614,671.69