Finding the Fourth Proportional to 3,428,976.26, 5,139,863.89 and 1,153,710.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,428,976.26 : 5,139,863.89 = 1,153,710.72 : x
2. Step 2: Convert to fraction form
   3,428,976.26/5,139,863.89 = 1,153,710.72/x
3. Step 3: Cross multiply
   3,428,976.26x = 5,139,863.89 × 1,153,710.72
4. Step 4: Simplify right side
   3,428,976.26x = 5,929,916,069,233.90
5. Step 5: Solve for x
   x = 5,929,916,069,233.90/3,428,976.26
6. Step 6: Final answer
   x = 1,729,354.66