Finding the Fourth Proportional to 8,782.59, 12,120.15 and 4,803.96

Step by Step Solution

1. Step 1: Write the proportion equation
   8,782.59 : 12,120.15 = 4,803.96 : x
2. Step 2: Convert to fraction form
   8,782.59/12,120.15 = 4,803.96/x
3. Step 3: Cross multiply
   8,782.59x = 12,120.15 × 4,803.96
4. Step 4: Simplify right side
   8,782.59x = 58,224,670.34
5. Step 5: Solve for x
   x = 58,224,670.34/8,782.59
6. Step 6: Final answer
   x = 6,629.56