Finding the Fourth Proportional to 2,426.86, 3,641.37 and 887.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,426.86 : 3,641.37 = 887.50 : x
2. Step 2: Convert to fraction form
   2,426.86/3,641.37 = 887.50/x
3. Step 3: Cross multiply
   2,426.86x = 3,641.37 × 887.50
4. Step 4: Simplify right side
   2,426.86x = 3,231,715.88
5. Step 5: Solve for x
   x = 3,231,715.88/2,426.86
6. Step 6: Final answer
   x = 1,331.64