Finding the Fourth Proportional to 3,973.89, 5,487.45 and 2,484.35

Step by Step Solution

1. Step 1: Write the proportion equation
   3,973.89 : 5,487.45 = 2,484.35 : x
2. Step 2: Convert to fraction form
   3,973.89/5,487.45 = 2,484.35/x
3. Step 3: Cross multiply
   3,973.89x = 5,487.45 × 2,484.35
4. Step 4: Simplify right side
   3,973.89x = 13,632,746.41
5. Step 5: Solve for x
   x = 13,632,746.41/3,973.89
6. Step 6: Final answer
   x = 3,430.58