Finding the Fourth Proportional to 5,601.51, 7,732.47 and 3,987.47

Step by Step Solution

1. Step 1: Write the proportion equation
   5,601.51 : 7,732.47 = 3,987.47 : x
2. Step 2: Convert to fraction form
   5,601.51/7,732.47 = 3,987.47/x
3. Step 3: Cross multiply
   5,601.51x = 7,732.47 × 3,987.47
4. Step 4: Simplify right side
   5,601.51x = 30,832,953.49
5. Step 5: Solve for x
   x = 30,832,953.49/5,601.51
6. Step 6: Final answer
   x = 5,504.40