Finding the Fourth Proportional to 79,646.82, 109,931.76 and 52,790.46

Step by Step Solution

1. Step 1: Write the proportion equation
   79,646.82 : 109,931.76 = 52,790.46 : x
2. Step 2: Convert to fraction form
   79,646.82/109,931.76 = 52,790.46/x
3. Step 3: Cross multiply
   79,646.82x = 109,931.76 × 52,790.46
4. Step 4: Simplify right side
   79,646.82x = 5,803,348,179.01
5. Step 5: Solve for x
   x = 5,803,348,179.01/79,646.82
6. Step 6: Final answer
   x = 72,863.53