Finding the Fourth Proportional to 20,669.02, 30,998.86 and 5,877.61

Step by Step Solution

1. Step 1: Write the proportion equation
   20,669.02 : 30,998.86 = 5,877.61 : x
2. Step 2: Convert to fraction form
   20,669.02/30,998.86 = 5,877.61/x
3. Step 3: Cross multiply
   20,669.02x = 30,998.86 × 5,877.61
4. Step 4: Simplify right side
   20,669.02x = 182,199,117.33
5. Step 5: Solve for x
   x = 182,199,117.33/20,669.02
6. Step 6: Final answer
   x = 8,815.08