Finding the Fourth Proportional to 13,755.37, 20,641.25 and 4,990.96

Step by Step Solution

1. Step 1: Write the proportion equation
   13,755.37 : 20,641.25 = 4,990.96 : x
2. Step 2: Convert to fraction form
   13,755.37/20,641.25 = 4,990.96/x
3. Step 3: Cross multiply
   13,755.37x = 20,641.25 × 4,990.96
4. Step 4: Simplify right side
   13,755.37x = 103,019,628.15
5. Step 5: Solve for x
   x = 103,019,628.15/13,755.37
6. Step 6: Final answer
   x = 7,489.41