Finding the Fourth Proportional to 72,925.14, 109,315.02 and 30,815.80

Step by Step Solution

1. Step 1: Write the proportion equation
   72,925.14 : 109,315.02 = 30,815.80 : x
2. Step 2: Convert to fraction form
   72,925.14/109,315.02 = 30,815.80/x
3. Step 3: Cross multiply
   72,925.14x = 109,315.02 × 30,815.80
4. Step 4: Simplify right side
   72,925.14x = 3,368,629,793.32
5. Step 5: Solve for x
   x = 3,368,629,793.32/72,925.14
6. Step 6: Final answer
   x = 46,192.98