Finding the Fourth Proportional to 2,158,603.90, 3,237,861.38 and 719,391.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,158,603.90 : 3,237,861.38 = 719,391.82 : x
2. Step 2: Convert to fraction form
   2,158,603.90/3,237,861.38 = 719,391.82/x
3. Step 3: Cross multiply
   2,158,603.90x = 3,237,861.38 × 719,391.82
4. Step 4: Simplify right side
   2,158,603.90x = 2,329,290,991,065.91
5. Step 5: Solve for x
   x = 2,329,290,991,065.91/2,158,603.90
6. Step 6: Final answer
   x = 1,079,072.91