Finding the Fourth Proportional to 3,986,994.72, 5,983,133.44 and 2,191,132.32

Step by Step Solution

1. Step 1: Write the proportion equation
   3,986,994.72 : 5,983,133.44 = 2,191,132.32 : x
2. Step 2: Convert to fraction form
   3,986,994.72/5,983,133.44 = 2,191,132.32/x
3. Step 3: Cross multiply
   3,986,994.72x = 5,983,133.44 × 2,191,132.32
4. Step 4: Simplify right side
   3,986,994.72x = 13,109,837,055,256.78
5. Step 5: Solve for x
   x = 13,109,837,055,256.78/3,986,994.72
6. Step 6: Final answer
   x = 3,288,150.09