Finding the Fourth Proportional to 1,499,634, 2,069,494.92 and 820,570.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,499,634 : 2,069,494.92 = 820,570.50 : x
2. Step 2: Convert to fraction form
   1,499,634/2,069,494.92 = 820,570.50/x
3. Step 3: Cross multiply
   1,499,634x = 2,069,494.92 × 820,570.50
4. Step 4: Simplify right side
   1,499,634x = 1,698,166,481,251.86
5. Step 5: Solve for x
   x = 1,698,166,481,251.86/1,499,634
6. Step 6: Final answer
   x = 1,132,387.29