Finding the Fourth Proportional to 25,406.78, 35,060.73 and 14,798.48

Step by Step Solution

1. Step 1: Write the proportion equation
   25,406.78 : 35,060.73 = 14,798.48 : x
2. Step 2: Convert to fraction form
   25,406.78/35,060.73 = 14,798.48/x
3. Step 3: Cross multiply
   25,406.78x = 35,060.73 × 14,798.48
4. Step 4: Simplify right side
   25,406.78x = 518,845,511.69
5. Step 5: Solve for x
   x = 518,845,511.69/25,406.78
6. Step 6: Final answer
   x = 20,421.54