Finding the Fourth Proportional to 13,313.98, 19,977.86 and 5,923.54

Step by Step Solution

1. Step 1: Write the proportion equation
   13,313.98 : 19,977.86 = 5,923.54 : x
2. Step 2: Convert to fraction form
   13,313.98/19,977.86 = 5,923.54/x
3. Step 3: Cross multiply
   13,313.98x = 19,977.86 × 5,923.54
4. Step 4: Simplify right side
   13,313.98x = 118,339,652.82
5. Step 5: Solve for x
   x = 118,339,652.82/13,313.98
6. Step 6: Final answer
   x = 8,888.38