Finding the Fourth Proportional to 8,810.50, 12,157.37 and 4,830.57

Step by Step Solution

1. Step 1: Write the proportion equation
   8,810.50 : 12,157.37 = 4,830.57 : x
2. Step 2: Convert to fraction form
   8,810.50/12,157.37 = 4,830.57/x
3. Step 3: Cross multiply
   8,810.50x = 12,157.37 × 4,830.57
4. Step 4: Simplify right side
   8,810.50x = 58,726,978.09
5. Step 5: Solve for x
   x = 58,726,978.09/8,810.50
6. Step 6: Final answer
   x = 6,665.57