Finding the Fourth Proportional to 8,778.58, 13,150.52 and 4,612.36

Step by Step Solution

1. Step 1: Write the proportion equation
   8,778.58 : 13,150.52 = 4,612.36 : x
2. Step 2: Convert to fraction form
   8,778.58/13,150.52 = 4,612.36/x
3. Step 3: Cross multiply
   8,778.58x = 13,150.52 × 4,612.36
4. Step 4: Simplify right side
   8,778.58x = 60,654,932.43
5. Step 5: Solve for x
   x = 60,654,932.43/8,778.58
6. Step 6: Final answer
   x = 6,909.42