Finding the Fourth Proportional to 40,498.83, 55,889.49 and 25,390.07

Step by Step Solution

1. Step 1: Write the proportion equation
   40,498.83 : 55,889.49 = 25,390.07 : x
2. Step 2: Convert to fraction form
   40,498.83/55,889.49 = 25,390.07/x
3. Step 3: Cross multiply
   40,498.83x = 55,889.49 × 25,390.07
4. Step 4: Simplify right side
   40,498.83x = 1,419,038,063.36
5. Step 5: Solve for x
   x = 1,419,038,063.36/40,498.83
6. Step 6: Final answer
   x = 35,038.99