Finding the Fourth Proportional to 1,859,590.43, 2,788,301.83 and 721,022.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,859,590.43 : 2,788,301.83 = 721,022.50 : x
2. Step 2: Convert to fraction form
   1,859,590.43/2,788,301.83 = 721,022.50/x
3. Step 3: Cross multiply
   1,859,590.43x = 2,788,301.83 × 721,022.50
4. Step 4: Simplify right side
   1,859,590.43x = 2,010,428,352,616.06
5. Step 5: Solve for x
   x = 2,010,428,352,616.06/1,859,590.43
6. Step 6: Final answer
   x = 1,081,113.52