Finding the Fourth Proportional to 13,025.61, 19,539.31 and 5,234.42

Step by Step Solution

1. Step 1: Write the proportion equation
   13,025.61 : 19,539.31 = 5,234.42 : x
2. Step 2: Convert to fraction form
   13,025.61/19,539.31 = 5,234.42/x
3. Step 3: Cross multiply
   13,025.61x = 19,539.31 × 5,234.42
4. Step 4: Simplify right side
   13,025.61x = 102,276,955.05
5. Step 5: Solve for x
   x = 102,276,955.05/13,025.61
6. Step 6: Final answer
   x = 7,851.99