Finding the Fourth Proportional to 2,158,082.04, 2,978,153.37 and 1,191,212.58

Step by Step Solution

1. Step 1: Write the proportion equation
   2,158,082.04 : 2,978,153.37 = 1,191,212.58 : x
2. Step 2: Convert to fraction form
   2,158,082.04/2,978,153.37 = 1,191,212.58/x
3. Step 3: Cross multiply
   2,158,082.04x = 2,978,153.37 × 1,191,212.58
4. Step 4: Simplify right side
   2,158,082.04x = 3,547,613,759,513.40
5. Step 5: Solve for x
   x = 3,547,613,759,513.40/2,158,082.04
6. Step 6: Final answer
   x = 1,643,873.45