Finding the Fourth Proportional to 2,158,550.84, 2,978,803.96 and 1,191,682.70

Step by Step Solution

1. Step 1: Write the proportion equation
   2,158,550.84 : 2,978,803.96 = 1,191,682.70 : x
2. Step 2: Convert to fraction form
   2,158,550.84/2,978,803.96 = 1,191,682.70/x
3. Step 3: Cross multiply
   2,158,550.84x = 2,978,803.96 × 1,191,682.70
4. Step 4: Simplify right side
   2,158,550.84x = 3,549,789,145,823.49
5. Step 5: Solve for x
   x = 3,549,789,145,823.49/2,158,550.84
6. Step 6: Final answer
   x = 1,644,524.22