Finding the Fourth Proportional to 79,607.64, 109,783.98 and 49,397.88

Step by Step Solution

1. Step 1: Write the proportion equation
   79,607.64 : 109,783.98 = 49,397.88 : x
2. Step 2: Convert to fraction form
   79,607.64/109,783.98 = 49,397.88/x
3. Step 3: Cross multiply
   79,607.64x = 109,783.98 × 49,397.88
4. Step 4: Simplify right side
   79,607.64x = 5,423,095,869.96
5. Step 5: Solve for x
   x = 5,423,095,869.96/79,607.64
6. Step 6: Final answer
   x = 68,122.81