Finding the Fourth Proportional to 20,666.96, 30,995.78 and 5,875.55

Step by Step Solution

1. Step 1: Write the proportion equation
   20,666.96 : 30,995.78 = 5,875.55 : x
2. Step 2: Convert to fraction form
   20,666.96/30,995.78 = 5,875.55/x
3. Step 3: Cross multiply
   20,666.96x = 30,995.78 × 5,875.55
4. Step 4: Simplify right side
   20,666.96x = 182,117,070.82
5. Step 5: Solve for x
   x = 182,117,070.82/20,666.96
6. Step 6: Final answer
   x = 8,811.99