Finding the Fourth Proportional to 12,463.31, 18,722.10 and 7,535.27

Step by Step Solution

1. Step 1: Write the proportion equation
   12,463.31 : 18,722.10 = 7,535.27 : x
2. Step 2: Convert to fraction form
   12,463.31/18,722.10 = 7,535.27/x
3. Step 3: Cross multiply
   12,463.31x = 18,722.10 × 7,535.27
4. Step 4: Simplify right side
   12,463.31x = 141,076,078.47
5. Step 5: Solve for x
   x = 141,076,078.47/12,463.31
6. Step 6: Final answer
   x = 11,319.31