Finding the Fourth Proportional to 1,588,200.59, 2,382,745.58 and 642,235.61

Step by Step Solution

1. Step 1: Write the proportion equation
   1,588,200.59 : 2,382,745.58 = 642,235.61 : x
2. Step 2: Convert to fraction form
   1,588,200.59/2,382,745.58 = 642,235.61/x
3. Step 3: Cross multiply
   1,588,200.59x = 2,382,745.58 × 642,235.61
4. Step 4: Simplify right side
   1,588,200.59x = 1,530,284,061,046.10
5. Step 5: Solve for x
   x = 1,530,284,061,046.10/1,588,200.59
6. Step 6: Final answer
   x = 963,533.24