Finding the Fourth Proportional to 1,605,456.43, 2,403,460.72 and 1,071,653.47

Step by Step Solution

1. Step 1: Write the proportion equation
   1,605,456.43 : 2,403,460.72 = 1,071,653.47 : x
2. Step 2: Convert to fraction form
   1,605,456.43/2,403,460.72 = 1,071,653.47/x
3. Step 3: Cross multiply
   1,605,456.43x = 2,403,460.72 × 1,071,653.47
4. Step 4: Simplify right side
   1,605,456.43x = 2,575,677,020,596.70
5. Step 5: Solve for x
   x = 2,575,677,020,596.70/1,605,456.43
6. Step 6: Final answer
   x = 1,604,326.95