Finding the Fourth Proportional to 1,458,434.89, 2,012,640.54 and 805,061.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,458,434.89 : 2,012,640.54 = 805,061.31 : x
2. Step 2: Convert to fraction form
   1,458,434.89/2,012,640.54 = 805,061.31/x
3. Step 3: Cross multiply
   1,458,434.89x = 2,012,640.54 × 805,061.31
4. Step 4: Simplify right side
   1,458,434.89x = 1,620,299,029,691.51
5. Step 5: Solve for x
   x = 1,620,299,029,691.51/1,458,434.89
6. Step 6: Final answer
   x = 1,110,984.82