Finding the Fourth Proportional to 2,158,543.34, 2,978,793.59 and 1,191,675.19

Step by Step Solution

1. Step 1: Write the proportion equation
   2,158,543.34 : 2,978,793.59 = 1,191,675.19 : x
2. Step 2: Convert to fraction form
   2,158,543.34/2,978,793.59 = 1,191,675.19/x
3. Step 3: Cross multiply
   2,158,543.34x = 2,978,793.59 × 1,191,675.19
4. Step 4: Simplify right side
   2,158,543.34x = 3,549,754,396,481.69
5. Step 5: Solve for x
   x = 3,549,754,396,481.69/2,158,543.34
6. Step 6: Final answer
   x = 1,644,513.84