Finding the Fourth Proportional to 1,019,470.52, 1,406,839.59 and 560,584.60

Step by Step Solution

1. Step 1: Write the proportion equation
   1,019,470.52 : 1,406,839.59 = 560,584.60 : x
2. Step 2: Convert to fraction form
   1,019,470.52/1,406,839.59 = 560,584.60/x
3. Step 3: Cross multiply
   1,019,470.52x = 1,406,839.59 × 560,584.60
4. Step 4: Simplify right side
   1,019,470.52x = 788,652,605,307.22
5. Step 5: Solve for x
   x = 788,652,605,307.22/1,019,470.52
6. Step 6: Final answer
   x = 773,590.40