Finding the Fourth Proportional to 79,799.72, 119,698.86 and 30,551.72

Step by Step Solution

1. Step 1: Write the proportion equation
   79,799.72 : 119,698.86 = 30,551.72 : x
2. Step 2: Convert to fraction form
   79,799.72/119,698.86 = 30,551.72/x
3. Step 3: Cross multiply
   79,799.72x = 119,698.86 × 30,551.72
4. Step 4: Simplify right side
   79,799.72x = 3,657,006,055.04
5. Step 5: Solve for x
   x = 3,657,006,055.04/79,799.72
6. Step 6: Final answer
   x = 45,827.30