Finding the Fourth Proportional to 2,164,921.42, 2,987,597.37 and 1,198,118.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,164,921.42 : 2,987,597.37 = 1,198,118.38 : x
2. Step 2: Convert to fraction form
   2,164,921.42/2,987,597.37 = 1,198,118.38/x
3. Step 3: Cross multiply
   2,164,921.42x = 2,987,597.37 × 1,198,118.38
4. Step 4: Simplify right side
   2,164,921.42x = 3,579,495,321,036.66
5. Step 5: Solve for x
   x = 3,579,495,321,036.66/2,164,921.42
6. Step 6: Final answer
   x = 1,653,406.58