Finding the Fourth Proportional to 1,340,801.27, 2,010,569.49 and 487,272.68

Step by Step Solution

1. Step 1: Write the proportion equation
   1,340,801.27 : 2,010,569.49 = 487,272.68 : x
2. Step 2: Convert to fraction form
   1,340,801.27/2,010,569.49 = 487,272.68/x
3. Step 3: Cross multiply
   1,340,801.27x = 2,010,569.49 × 487,272.68
4. Step 4: Simplify right side
   1,340,801.27x = 979,695,573,665.69
5. Step 5: Solve for x
   x = 979,695,573,665.69/1,340,801.27
6. Step 6: Final answer
   x = 730,679.18