Finding the Fourth Proportional to 2,387,560.78, 3,579,089.94 and 1,188,349.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,387,560.78 : 3,579,089.94 = 1,188,349.42 : x
2. Step 2: Convert to fraction form
   2,387,560.78/3,579,089.94 = 1,188,349.42/x
3. Step 3: Cross multiply
   2,387,560.78x = 3,579,089.94 × 1,188,349.42
4. Step 4: Simplify right side
   2,387,560.78x = 4,253,209,454,326.83
5. Step 5: Solve for x
   x = 4,253,209,454,326.83/2,387,560.78
6. Step 6: Final answer
   x = 1,781,403.64