Finding the Fourth Proportional to 2,288,280.39, 3,157,618.21 and 1,357,827.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,288,280.39 : 3,157,618.21 = 1,357,827.78 : x
2. Step 2: Convert to fraction form
   2,288,280.39/3,157,618.21 = 1,357,827.78/x
3. Step 3: Cross multiply
   2,288,280.39x = 3,157,618.21 × 1,357,827.78
4. Step 4: Simplify right side
   2,288,280.39x = 4,287,501,732,618.37
5. Step 5: Solve for x
   x = 4,287,501,732,618.37/2,288,280.39
6. Step 6: Final answer
   x = 1,873,678.49