Finding the Fourth Proportional to 13,249.83, 19,870.79 and 4,363.52

Step by Step Solution

1. Step 1: Write the proportion equation
   13,249.83 : 19,870.79 = 4,363.52 : x
2. Step 2: Convert to fraction form
   13,249.83/19,870.79 = 4,363.52/x
3. Step 3: Cross multiply
   13,249.83x = 19,870.79 × 4,363.52
4. Step 4: Simplify right side
   13,249.83x = 86,706,580.18
5. Step 5: Solve for x
   x = 86,706,580.18/13,249.83
6. Step 6: Final answer
   x = 6,543.98