Finding the Fourth Proportional to 2,158,613.84, 2,978,871.24 and 1,191,744.08

Step by Step Solution

1. Step 1: Write the proportion equation
   2,158,613.84 : 2,978,871.24 = 1,191,744.08 : x
2. Step 2: Convert to fraction form
   2,158,613.84/2,978,871.24 = 1,191,744.08/x
3. Step 3: Cross multiply
   2,158,613.84x = 2,978,871.24 × 1,191,744.08
4. Step 4: Simplify right side
   2,158,613.84x = 3,550,052,165,352.26
5. Step 5: Solve for x
   x = 3,550,052,165,352.26/2,158,613.84
6. Step 6: Final answer
   x = 1,644,598.07