Finding the Fourth Proportional to 72,412.27, 108,591.76 and 25,015.30

Step by Step Solution

1. Step 1: Write the proportion equation
   72,412.27 : 108,591.76 = 25,015.30 : x
2. Step 2: Convert to fraction form
   72,412.27/108,591.76 = 25,015.30/x
3. Step 3: Cross multiply
   72,412.27x = 108,591.76 × 25,015.30
4. Step 4: Simplify right side
   72,412.27x = 2,716,455,453.93
5. Step 5: Solve for x
   x = 2,716,455,453.93/72,412.27
6. Step 6: Final answer
   x = 37,513.75