Finding the Fourth Proportional to 37,110.92, 55,672.14 and 12,485

Step by Step Solution

1. Step 1: Write the proportion equation
   37,110.92 : 55,672.14 = 12,485 : x
2. Step 2: Convert to fraction form
   37,110.92/55,672.14 = 12,485/x
3. Step 3: Cross multiply
   37,110.92x = 55,672.14 × 12,485
4. Step 4: Simplify right side
   37,110.92x = 695,066,667.90
5. Step 5: Solve for x
   x = 695,066,667.90/37,110.92
6. Step 6: Final answer
   x = 18,729.44