Finding the Fourth Proportional to 3,452.63, 5,179.13 and 987.82

Step by Step Solution

1. Step 1: Write the proportion equation
   3,452.63 : 5,179.13 = 987.82 : x
2. Step 2: Convert to fraction form
   3,452.63/5,179.13 = 987.82/x
3. Step 3: Cross multiply
   3,452.63x = 5,179.13 × 987.82
4. Step 4: Simplify right side
   3,452.63x = 5,116,030.31
5. Step 5: Solve for x
   x = 5,116,030.31/3,452.63
6. Step 6: Final answer
   x = 1,481.78