Finding the Fourth Proportional to 2,387,109.63, 3,580,665.63 and 789,672.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,387,109.63 : 3,580,665.63 = 789,672.72 : x
2. Step 2: Convert to fraction form
   2,387,109.63/3,580,665.63 = 789,672.72/x
3. Step 3: Cross multiply
   2,387,109.63x = 3,580,665.63 × 789,672.72
4. Step 4: Simplify right side
   2,387,109.63x = 2,827,553,967,452.61
5. Step 5: Solve for x
   x = 2,827,553,967,452.61/2,387,109.63
6. Step 6: Final answer
   x = 1,184,509.47