Finding the Fourth Proportional to 1,788,801.25, 2,468,321.31 and 1,209,285.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,788,801.25 : 2,468,321.31 = 1,209,285.31 : x
2. Step 2: Convert to fraction form
   1,788,801.25/2,468,321.31 = 1,209,285.31/x
3. Step 3: Cross multiply
   1,788,801.25x = 2,468,321.31 × 1,209,285.31
4. Step 4: Simplify right side
   1,788,801.25x = 2,984,904,700,542.96
5. Step 5: Solve for x
   x = 2,984,904,700,542.96/1,788,801.25
6. Step 6: Final answer
   x = 1,668,662.02