Finding the Fourth Proportional to 2,307,137.10, 3,458,456.27 and 921,858.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,307,137.10 : 3,458,456.27 = 921,858.15 : x
2. Step 2: Convert to fraction form
   2,307,137.10/3,458,456.27 = 921,858.15/x
3. Step 3: Cross multiply
   2,307,137.10x = 3,458,456.27 × 921,858.15
4. Step 4: Simplify right side
   2,307,137.10x = 3,188,206,098,918.10
5. Step 5: Solve for x
   x = 3,188,206,098,918.10/2,307,137.10
6. Step 6: Final answer
   x = 1,381,888.44