Finding the Fourth Proportional to 13,648.83, 18,834.27 and 7,681.50

Step by Step Solution

1. Step 1: Write the proportion equation
   13,648.83 : 18,834.27 = 7,681.50 : x
2. Step 2: Convert to fraction form
   13,648.83/18,834.27 = 7,681.50/x
3. Step 3: Cross multiply
   13,648.83x = 18,834.27 × 7,681.50
4. Step 4: Simplify right side
   13,648.83x = 144,675,445.01
5. Step 5: Solve for x
   x = 144,675,445.01/13,648.83
6. Step 6: Final answer
   x = 10,599.84