Finding the Fourth Proportional to 1,087,025.73, 1,500,215.41 and 621,922.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,087,025.73 : 1,500,215.41 = 621,922.82 : x
2. Step 2: Convert to fraction form
   1,087,025.73/1,500,215.41 = 621,922.82/x
3. Step 3: Cross multiply
   1,087,025.73x = 1,500,215.41 × 621,922.82
4. Step 4: Simplify right side
   1,087,025.73x = 933,018,193,089.31
5. Step 5: Solve for x
   x = 933,018,193,089.31/1,087,025.73
6. Step 6: Final answer
   x = 858,322.09