Finding the Fourth Proportional to 1,017,584.03, 1,404,268.72 and 558,728.35

Step by Step Solution

1. Step 1: Write the proportion equation
   1,017,584.03 : 1,404,268.72 = 558,728.35 : x
2. Step 2: Convert to fraction form
   1,017,584.03/1,404,268.72 = 558,728.35/x
3. Step 3: Cross multiply
   1,017,584.03x = 1,404,268.72 × 558,728.35
4. Step 4: Simplify right side
   1,017,584.03x = 784,604,739,974.72
5. Step 5: Solve for x
   x = 784,604,739,974.72/1,017,584.03
6. Step 6: Final answer
   x = 771,046.63