Finding the Fourth Proportional to 12,633.27, 18,941.80 and 5,242.83

Step by Step Solution

1. Step 1: Write the proportion equation
   12,633.27 : 18,941.80 = 5,242.83 : x
2. Step 2: Convert to fraction form
   12,633.27/18,941.80 = 5,242.83/x
3. Step 3: Cross multiply
   12,633.27x = 18,941.80 × 5,242.83
4. Step 4: Simplify right side
   12,633.27x = 99,308,637.29
5. Step 5: Solve for x
   x = 99,308,637.29/12,633.27
6. Step 6: Final answer
   x = 7,860.88