Finding the Fourth Proportional to 1,499,696.79, 2,069,575.89 and 811,366.49

Step by Step Solution

1. Step 1: Write the proportion equation
   1,499,696.79 : 2,069,575.89 = 811,366.49 : x
2. Step 2: Convert to fraction form
   1,499,696.79/2,069,575.89 = 811,366.49/x
3. Step 3: Cross multiply
   1,499,696.79x = 2,069,575.89 × 811,366.49
4. Step 4: Simplify right side
   1,499,696.79x = 1,679,184,515,310.05
5. Step 5: Solve for x
   x = 1,679,184,515,310.05/1,499,696.79
6. Step 6: Final answer
   x = 1,119,682.68