Finding the Fourth Proportional to 2,158,364.76, 2,978,465.30 and 1,191,474.29

Step by Step Solution

1. Step 1: Write the proportion equation
   2,158,364.76 : 2,978,465.30 = 1,191,474.29 : x
2. Step 2: Convert to fraction form
   2,158,364.76/2,978,465.30 = 1,191,474.29/x
3. Step 3: Cross multiply
   2,158,364.76x = 2,978,465.30 × 1,191,474.29
4. Step 4: Simplify right side
   2,158,364.76x = 3,548,764,807,757.44
5. Step 5: Solve for x
   x = 3,548,764,807,757.44/2,158,364.76
6. Step 6: Final answer
   x = 1,644,191.42