Finding the Fourth Proportional to 2,303.27, 3,453.47 and 987.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,303.27 : 3,453.47 = 987.86 : x
2. Step 2: Convert to fraction form
   2,303.27/3,453.47 = 987.86/x
3. Step 3: Cross multiply
   2,303.27x = 3,453.47 × 987.86
4. Step 4: Simplify right side
   2,303.27x = 3,411,552.27
5. Step 5: Solve for x
   x = 3,411,552.27/2,303.27
6. Step 6: Final answer
   x = 1,481.18