Finding the Fourth Proportional to 13,185.96, 19,781.60 and 4,866.03

Step by Step Solution

1. Step 1: Write the proportion equation
   13,185.96 : 19,781.60 = 4,866.03 : x
2. Step 2: Convert to fraction form
   13,185.96/19,781.60 = 4,866.03/x
3. Step 3: Cross multiply
   13,185.96x = 19,781.60 × 4,866.03
4. Step 4: Simplify right side
   13,185.96x = 96,257,834.72
5. Step 5: Solve for x
   x = 96,257,834.72/13,185.96
6. Step 6: Final answer
   x = 7,300.02