Finding the Fourth Proportional to 25,056.18, 34,498.85 and 21,271.50

Step by Step Solution

1. Step 1: Write the proportion equation
   25,056.18 : 34,498.85 = 21,271.50 : x
2. Step 2: Convert to fraction form
   25,056.18/34,498.85 = 21,271.50/x
3. Step 3: Cross multiply
   25,056.18x = 34,498.85 × 21,271.50
4. Step 4: Simplify right side
   25,056.18x = 733,842,181.42
5. Step 5: Solve for x
   x = 733,842,181.42/25,056.18
6. Step 6: Final answer
   x = 29,287.87