Finding the Fourth Proportional to 25,498.77, 35,178.71 and 18,800.37

Step by Step Solution

1. Step 1: Write the proportion equation
   25,498.77 : 35,178.71 = 18,800.37 : x
2. Step 2: Convert to fraction form
   25,498.77/35,178.71 = 18,800.37/x
3. Step 3: Cross multiply
   25,498.77x = 35,178.71 × 18,800.37
4. Step 4: Simplify right side
   25,498.77x = 661,372,670.12
5. Step 5: Solve for x
   x = 661,372,670.12/25,498.77
6. Step 6: Final answer
   x = 25,937.44