Finding the Fourth Proportional to 13,012.82, 19,532 and 5,619.86

Step by Step Solution

1. Step 1: Write the proportion equation
   13,012.82 : 19,532 = 5,619.86 : x
2. Step 2: Convert to fraction form
   13,012.82/19,532 = 5,619.86/x
3. Step 3: Cross multiply
   13,012.82x = 19,532 × 5,619.86
4. Step 4: Simplify right side
   13,012.82x = 109,767,105.52
5. Step 5: Solve for x
   x = 109,767,105.52/13,012.82
6. Step 6: Final answer
   x = 8,435.30