Finding the Fourth Proportional to 16,778.25, 25,166.61 and 4,931.58

Step by Step Solution

1. Step 1: Write the proportion equation
   16,778.25 : 25,166.61 = 4,931.58 : x
2. Step 2: Convert to fraction form
   16,778.25/25,166.61 = 4,931.58/x
3. Step 3: Cross multiply
   16,778.25x = 25,166.61 × 4,931.58
4. Step 4: Simplify right side
   16,778.25x = 124,111,150.54
5. Step 5: Solve for x
   x = 124,111,150.54/16,778.25
6. Step 6: Final answer
   x = 7,397.15