Finding the Fourth Proportional to 13,771.98, 19,005.48 and 7,484.36

Step by Step Solution

1. Step 1: Write the proportion equation
   13,771.98 : 19,005.48 = 7,484.36 : x
2. Step 2: Convert to fraction form
   13,771.98/19,005.48 = 7,484.36/x
3. Step 3: Cross multiply
   13,771.98x = 19,005.48 × 7,484.36
4. Step 4: Simplify right side
   13,771.98x = 142,243,759.27
5. Step 5: Solve for x
   x = 142,243,759.27/13,771.98
6. Step 6: Final answer
   x = 10,328.49