Finding the Fourth Proportional to 2,158,543.09, 2,978,793.24 and 1,191,674.94

Step by Step Solution

1. Step 1: Write the proportion equation
   2,158,543.09 : 2,978,793.24 = 1,191,674.94 : x
2. Step 2: Convert to fraction form
   2,158,543.09/2,978,793.24 = 1,191,674.94/x
3. Step 3: Cross multiply
   2,158,543.09x = 2,978,793.24 × 1,191,674.94
4. Step 4: Simplify right side
   2,158,543.09x = 3,549,753,255,549.41
5. Step 5: Solve for x
   x = 3,549,753,255,549.41/2,158,543.09
6. Step 6: Final answer
   x = 1,644,513.50