Finding the Fourth Proportional to 72,447.30, 109,214.10 and 67,630.41

Step by Step Solution

1. Step 1: Write the proportion equation
   72,447.30 : 109,214.10 = 67,630.41 : x
2. Step 2: Convert to fraction form
   72,447.30/109,214.10 = 67,630.41/x
3. Step 3: Cross multiply
   72,447.30x = 109,214.10 × 67,630.41
4. Step 4: Simplify right side
   72,447.30x = 7,386,194,360.78
5. Step 5: Solve for x
   x = 7,386,194,360.78/72,447.30
6. Step 6: Final answer
   x = 101,952.65