Finding the Fourth Proportional to 8,700.70, 12,003.60 and 4,923.00

Step by Step Solution

1. Step 1: Write the proportion equation
   8,700.70 : 12,003.60 = 4,923.00 : x
2. Step 2: Convert to fraction form
   8,700.70/12,003.60 = 4,923.00/x
3. Step 3: Cross multiply
   8,700.70x = 12,003.60 × 4,923.00
4. Step 4: Simplify right side
   8,700.70x = 59,093,662.78
5. Step 5: Solve for x
   x = 59,093,662.78/8,700.70
6. Step 6: Final answer
   x = 6,791.83