Finding the Fourth Proportional to 12,327.51, 18,491.40 and 3,562.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,327.51 : 18,491.40 = 3,562.50 : x
2. Step 2: Convert to fraction form
   12,327.51/18,491.40 = 3,562.50/x
3. Step 3: Cross multiply
   12,327.51x = 18,491.40 × 3,562.50
4. Step 4: Simplify right side
   12,327.51x = 65,875,612.50
5. Step 5: Solve for x
   x = 65,875,612.50/12,327.51
6. Step 6: Final answer
   x = 5,343.79