Finding the Fourth Proportional to 1,427,272.69, 1,969,638.89 and 782,697.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,427,272.69 : 1,969,638.89 = 782,697.50 : x
2. Step 2: Convert to fraction form
   1,427,272.69/1,969,638.89 = 782,697.50/x
3. Step 3: Cross multiply
   1,427,272.69x = 1,969,638.89 × 782,697.50
4. Step 4: Simplify right side
   1,427,272.69x = 1,541,631,435,105.78
5. Step 5: Solve for x
   x = 1,541,631,435,105.78/1,427,272.69
6. Step 6: Final answer
   x = 1,080,123.96