Finding the Fourth Proportional to 1,588,456.89, 2,192,070.56 and 863,306.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,588,456.89 : 2,192,070.56 = 863,306.37 : x
2. Step 2: Convert to fraction form
   1,588,456.89/2,192,070.56 = 863,306.37/x
3. Step 3: Cross multiply
   1,588,456.89x = 2,192,070.56 × 863,306.37
4. Step 4: Simplify right side
   1,588,456.89x = 1,892,428,473,620.94
5. Step 5: Solve for x
   x = 1,892,428,473,620.94/1,588,456.89
6. Step 6: Final answer
   x = 1,191,362.82