Finding the Fourth Proportional to 13,065.86, 19,595.10 and 5,272.82

Step by Step Solution

1. Step 1: Write the proportion equation
   13,065.86 : 19,595.10 = 5,272.82 : x
2. Step 2: Convert to fraction form
   13,065.86/19,595.10 = 5,272.82/x
3. Step 3: Cross multiply
   13,065.86x = 19,595.10 × 5,272.82
4. Step 4: Simplify right side
   13,065.86x = 103,321,435.18
5. Step 5: Solve for x
   x = 103,321,435.18/13,065.86
6. Step 6: Final answer
   x = 7,907.74