Finding the Fourth Proportional to 12,633.28, 18,941.82 and 5,242.84

Step by Step Solution

1. Step 1: Write the proportion equation
   12,633.28 : 18,941.82 = 5,242.84 : x
2. Step 2: Convert to fraction form
   12,633.28/18,941.82 = 5,242.84/x
3. Step 3: Cross multiply
   12,633.28x = 18,941.82 × 5,242.84
4. Step 4: Simplify right side
   12,633.28x = 99,308,955.25
5. Step 5: Solve for x
   x = 99,308,955.25/12,633.28
6. Step 6: Final answer
   x = 7,860.90