Finding the Fourth Proportional to 8,050.72, 12,085.80 and 4,784.80

Step by Step Solution

1. Step 1: Write the proportion equation
   8,050.72 : 12,085.80 = 4,784.80 : x
2. Step 2: Convert to fraction form
   8,050.72/12,085.80 = 4,784.80/x
3. Step 3: Cross multiply
   8,050.72x = 12,085.80 × 4,784.80
4. Step 4: Simplify right side
   8,050.72x = 57,828,135.84
5. Step 5: Solve for x
   x = 57,828,135.84/8,050.72
6. Step 6: Final answer
   x = 7,182.98