Finding the Fourth Proportional to 5,317,792.83, 7,978,699.58 and 2,081,643.31

Step by Step Solution

1. Step 1: Write the proportion equation
   5,317,792.83 : 7,978,699.58 = 2,081,643.31 : x
2. Step 2: Convert to fraction form
   5,317,792.83/7,978,699.58 = 2,081,643.31/x
3. Step 3: Cross multiply
   5,317,792.83x = 7,978,699.58 × 2,081,643.31
4. Step 4: Simplify right side
   5,317,792.83x = 16,608,806,605,945.32
5. Step 5: Solve for x
   x = 16,608,806,605,945.32/5,317,792.83
6. Step 6: Final answer
   x = 3,123,251.91