Finding the Fourth Proportional to 37,524.50, 56,275 and 12,558.72

Step by Step Solution

1. Step 1: Write the proportion equation
   37,524.50 : 56,275 = 12,558.72 : x
2. Step 2: Convert to fraction form
   37,524.50/56,275 = 12,558.72/x
3. Step 3: Cross multiply
   37,524.50x = 56,275 × 12,558.72
4. Step 4: Simplify right side
   37,524.50x = 706,741,968
5. Step 5: Solve for x
   x = 706,741,968/37,524.50
6. Step 6: Final answer
   x = 18,834.15