Finding the Fourth Proportional to 1,499,639, 2,069,501.82 and 820,575.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,499,639 : 2,069,501.82 = 820,575.50 : x
2. Step 2: Convert to fraction form
   1,499,639/2,069,501.82 = 820,575.50/x
3. Step 3: Cross multiply
   1,499,639x = 2,069,501.82 × 820,575.50
4. Step 4: Simplify right side
   1,499,639x = 1,698,182,490,697.41
5. Step 5: Solve for x
   x = 1,698,182,490,697.41/1,499,639
6. Step 6: Final answer
   x = 1,132,394.19