Finding the Fourth Proportional to 4,981.62, 7,480.86 and 4,782.96

Step by Step Solution

1. Step 1: Write the proportion equation
   4,981.62 : 7,480.86 = 4,782.96 : x
2. Step 2: Convert to fraction form
   4,981.62/7,480.86 = 4,782.96/x
3. Step 3: Cross multiply
   4,981.62x = 7,480.86 × 4,782.96
4. Step 4: Simplify right side
   4,981.62x = 35,780,654.15
5. Step 5: Solve for x
   x = 35,780,654.15/4,981.62
6. Step 6: Final answer
   x = 7,182.53