Finding the Fourth Proportional to 37,132.50, 55,707.39 and 12,508.50

Step by Step Solution

1. Step 1: Write the proportion equation
   37,132.50 : 55,707.39 = 12,508.50 : x
2. Step 2: Convert to fraction form
   37,132.50/55,707.39 = 12,508.50/x
3. Step 3: Cross multiply
   37,132.50x = 55,707.39 × 12,508.50
4. Step 4: Simplify right side
   37,132.50x = 696,815,887.82
5. Step 5: Solve for x
   x = 696,815,887.82/37,132.50
6. Step 6: Final answer
   x = 18,765.66