Finding the Fourth Proportional to 72,926.14, 109,316.52 and 30,816.80

Step by Step Solution

1. Step 1: Write the proportion equation
   72,926.14 : 109,316.52 = 30,816.80 : x
2. Step 2: Convert to fraction form
   72,926.14/109,316.52 = 30,816.80/x
3. Step 3: Cross multiply
   72,926.14x = 109,316.52 × 30,816.80
4. Step 4: Simplify right side
   72,926.14x = 3,368,785,333.54
5. Step 5: Solve for x
   x = 3,368,785,333.54/72,926.14
6. Step 6: Final answer
   x = 46,194.48