Finding the Fourth Proportional to 2,158,543.84, 2,978,794.28 and 1,191,675.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,158,543.84 : 2,978,794.28 = 1,191,675.69 : x
2. Step 2: Convert to fraction form
   2,158,543.84/2,978,794.28 = 1,191,675.69/x
3. Step 3: Cross multiply
   2,158,543.84x = 2,978,794.28 × 1,191,675.69
4. Step 4: Simplify right side
   2,158,543.84x = 3,549,756,728,987.05
5. Step 5: Solve for x
   x = 3,549,756,728,987.05/2,158,543.84
6. Step 6: Final answer
   x = 1,644,514.54