Finding the Fourth Proportional to 43,249.98, 64,884.38 and 13,264.23

Step by Step Solution

1. Step 1: Write the proportion equation
   43,249.98 : 64,884.38 = 13,264.23 : x
2. Step 2: Convert to fraction form
   43,249.98/64,884.38 = 13,264.23/x
3. Step 3: Cross multiply
   43,249.98x = 64,884.38 × 13,264.23
4. Step 4: Simplify right side
   43,249.98x = 860,641,339.73
5. Step 5: Solve for x
   x = 860,641,339.73/43,249.98
6. Step 6: Final answer
   x = 19,899.23