Finding the Fourth Proportional to 2,139,452.79, 2,952,311.05 and 1,172,514.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,139,452.79 : 2,952,311.05 = 1,172,514.48 : x
2. Step 2: Convert to fraction form
   2,139,452.79/2,952,311.05 = 1,172,514.48/x
3. Step 3: Cross multiply
   2,139,452.79x = 2,952,311.05 × 1,172,514.48
4. Step 4: Simplify right side
   2,139,452.79x = 3,461,627,455,589.00
5. Step 5: Solve for x
   x = 3,461,627,455,589.00/2,139,452.79
6. Step 6: Final answer
   x = 1,617,996.65