Finding the Fourth Proportional to 13,127.83, 19,685.18 and 4,359.67

Step by Step Solution

1. Step 1: Write the proportion equation
   13,127.83 : 19,685.18 = 4,359.67 : x
2. Step 2: Convert to fraction form
   13,127.83/19,685.18 = 4,359.67/x
3. Step 3: Cross multiply
   13,127.83x = 19,685.18 × 4,359.67
4. Step 4: Simplify right side
   13,127.83x = 85,820,866.89
5. Step 5: Solve for x
   x = 85,820,866.89/13,127.83
6. Step 6: Final answer
   x = 6,537.32