Finding the Fourth Proportional to 2,458,697.68, 3,687,762.82 and 661,439.91

Step by Step Solution

1. Step 1: Write the proportion equation
   2,458,697.68 : 3,687,762.82 = 661,439.91 : x
2. Step 2: Convert to fraction form
   2,458,697.68/3,687,762.82 = 661,439.91/x
3. Step 3: Cross multiply
   2,458,697.68x = 3,687,762.82 × 661,439.91
4. Step 4: Simplify right side
   2,458,697.68x = 2,439,233,507,762.15
5. Step 5: Solve for x
   x = 2,439,233,507,762.15/2,458,697.68
6. Step 6: Final answer
   x = 992,083.54