Finding the Fourth Proportional to 2,487.98, 3,731.85 and 927.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,487.98 : 3,731.85 = 927.86 : x
2. Step 2: Convert to fraction form
   2,487.98/3,731.85 = 927.86/x
3. Step 3: Cross multiply
   2,487.98x = 3,731.85 × 927.86
4. Step 4: Simplify right side
   2,487.98x = 3,462,636.69
5. Step 5: Solve for x
   x = 3,462,636.69/2,487.98
6. Step 6: Final answer
   x = 1,391.75