Finding the Fourth Proportional to 72,818.28, 109,269.88 and 30,695.79

Step by Step Solution

1. Step 1: Write the proportion equation
   72,818.28 : 109,269.88 = 30,695.79 : x
2. Step 2: Convert to fraction form
   72,818.28/109,269.88 = 30,695.79/x
3. Step 3: Cross multiply
   72,818.28x = 109,269.88 × 30,695.79
4. Step 4: Simplify right side
   72,818.28x = 3,354,124,820.20
5. Step 5: Solve for x
   x = 3,354,124,820.20/72,818.28
6. Step 6: Final answer
   x = 46,061.58