Finding the Fourth Proportional to 13,369.52, 18,451.87 and 7,703.18

Step by Step Solution

1. Step 1: Write the proportion equation
   13,369.52 : 18,451.87 = 7,703.18 : x
2. Step 2: Convert to fraction form
   13,369.52/18,451.87 = 7,703.18/x
3. Step 3: Cross multiply
   13,369.52x = 18,451.87 × 7,703.18
4. Step 4: Simplify right side
   13,369.52x = 142,138,085.52
5. Step 5: Solve for x
   x = 142,138,085.52/13,369.52
6. Step 6: Final answer
   x = 10,631.50