Finding the Fourth Proportional to 25,779.30, 35,575.17 and 14,601.30

Step by Step Solution

1. Step 1: Write the proportion equation
   25,779.30 : 35,575.17 = 14,601.30 : x
2. Step 2: Convert to fraction form
   25,779.30/35,575.17 = 14,601.30/x
3. Step 3: Cross multiply
   25,779.30x = 35,575.17 × 14,601.30
4. Step 4: Simplify right side
   25,779.30x = 519,443,729.72
5. Step 5: Solve for x
   x = 519,443,729.72/25,779.30
6. Step 6: Final answer
   x = 20,149.64