Finding the Fourth Proportional to 1,499,251.41, 2,069,015.67 and 820,187.91

Step by Step Solution

1. Step 1: Write the proportion equation
   1,499,251.41 : 2,069,015.67 = 820,187.91 : x
2. Step 2: Convert to fraction form
   1,499,251.41/2,069,015.67 = 820,187.91/x
3. Step 3: Cross multiply
   1,499,251.41x = 2,069,015.67 × 820,187.91
4. Step 4: Simplify right side
   1,499,251.41x = 1,696,981,638,134.55
5. Step 5: Solve for x
   x = 1,696,981,638,134.55/1,499,251.41
6. Step 6: Final answer
   x = 1,131,885.97