Finding the Fourth Proportional to 971,003.53, 1,340,142.71 and 584,209.90

Step by Step Solution

1. Step 1: Write the proportion equation
   971,003.53 : 1,340,142.71 = 584,209.90 : x
2. Step 2: Convert to fraction form
   971,003.53/1,340,142.71 = 584,209.90/x
3. Step 3: Cross multiply
   971,003.53x = 1,340,142.71 × 584,209.90
4. Step 4: Simplify right side
   971,003.53x = 782,924,632,323.42
5. Step 5: Solve for x
   x = 782,924,632,323.42/971,003.53
6. Step 6: Final answer
   x = 806,304.62