Finding the Fourth Proportional to 73,105.94, 109,678.05 and 25,719.12

Step by Step Solution

1. Step 1: Write the proportion equation
   73,105.94 : 109,678.05 = 25,719.12 : x
2. Step 2: Convert to fraction form
   73,105.94/109,678.05 = 25,719.12/x
3. Step 3: Cross multiply
   73,105.94x = 109,678.05 × 25,719.12
4. Step 4: Simplify right side
   73,105.94x = 2,820,822,929.32
5. Step 5: Solve for x
   x = 2,820,822,929.32/73,105.94
6. Step 6: Final answer
   x = 38,585.41