Finding the Fourth Proportional to 1,515,123.53, 2,090,914.91 and 826,839.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,515,123.53 : 2,090,914.91 = 826,839.83 : x
2. Step 2: Convert to fraction form
   1,515,123.53/2,090,914.91 = 826,839.83/x
3. Step 3: Cross multiply
   1,515,123.53x = 2,090,914.91 × 826,839.83
4. Step 4: Simplify right side
   1,515,123.53x = 1,728,851,728,728.87
5. Step 5: Solve for x
   x = 1,728,851,728,728.87/1,515,123.53
6. Step 6: Final answer
   x = 1,141,063.22