Finding the Fourth Proportional to 2,238,036.83, 3,357,710.21 and 721,689.04

Step by Step Solution

1. Step 1: Write the proportion equation
   2,238,036.83 : 3,357,710.21 = 721,689.04 : x
2. Step 2: Convert to fraction form
   2,238,036.83/3,357,710.21 = 721,689.04/x
3. Step 3: Cross multiply
   2,238,036.83x = 3,357,710.21 × 721,689.04
4. Step 4: Simplify right side
   2,238,036.83x = 2,423,222,664,054.46
5. Step 5: Solve for x
   x = 2,423,222,664,054.46/2,238,036.83
6. Step 6: Final answer
   x = 1,082,744.76