Finding the Fourth Proportional to 25,477.35, 35,158.56 and 14,146.89

Step by Step Solution

1. Step 1: Write the proportion equation
   25,477.35 : 35,158.56 = 14,146.89 : x
2. Step 2: Convert to fraction form
   25,477.35/35,158.56 = 14,146.89/x
3. Step 3: Cross multiply
   25,477.35x = 35,158.56 × 14,146.89
4. Step 4: Simplify right side
   25,477.35x = 497,384,095.98
5. Step 5: Solve for x
   x = 497,384,095.98/25,477.35
6. Step 6: Final answer
   x = 19,522.60