Finding the Fourth Proportional to 79,513.37, 109,615.52 and 63,238

Step by Step Solution

1. Step 1: Write the proportion equation
   79,513.37 : 109,615.52 = 63,238 : x
2. Step 2: Convert to fraction form
   79,513.37/109,615.52 = 63,238/x
3. Step 3: Cross multiply
   79,513.37x = 109,615.52 × 63,238
4. Step 4: Simplify right side
   79,513.37x = 6,931,866,253.76
5. Step 5: Solve for x
   x = 6,931,866,253.76/79,513.37
6. Step 6: Final answer
   x = 87,178.62