Finding the Fourth Proportional to 41,288.07, 56,978.28 and 23,386.78

Step by Step Solution

1. Step 1: Write the proportion equation
   41,288.07 : 56,978.28 = 23,386.78 : x
2. Step 2: Convert to fraction form
   41,288.07/56,978.28 = 23,386.78/x
3. Step 3: Cross multiply
   41,288.07x = 56,978.28 × 23,386.78
4. Step 4: Simplify right side
   41,288.07x = 1,332,538,499.14
5. Step 5: Solve for x
   x = 1,332,538,499.14/41,288.07
6. Step 6: Final answer
   x = 32,274.18