Finding the Fourth Proportional to 13,187.46, 19,778.98 and 5,789.93

Step by Step Solution

1. Step 1: Write the proportion equation
   13,187.46 : 19,778.98 = 5,789.93 : x
2. Step 2: Convert to fraction form
   13,187.46/19,778.98 = 5,789.93/x
3. Step 3: Cross multiply
   13,187.46x = 19,778.98 × 5,789.93
4. Step 4: Simplify right side
   13,187.46x = 114,518,880.72
5. Step 5: Solve for x
   x = 114,518,880.72/13,187.46
6. Step 6: Final answer
   x = 8,683.92