Finding the Fourth Proportional to 2,548.02, 3,821.41 and 987.51

Step by Step Solution

1. Step 1: Write the proportion equation
   2,548.02 : 3,821.41 = 987.51 : x
2. Step 2: Convert to fraction form
   2,548.02/3,821.41 = 987.51/x
3. Step 3: Cross multiply
   2,548.02x = 3,821.41 × 987.51
4. Step 4: Simplify right side
   2,548.02x = 3,773,680.59
5. Step 5: Solve for x
   x = 3,773,680.59/2,548.02
6. Step 6: Final answer
   x = 1,481.02