Finding the Fourth Proportional to 37,112.32, 55,667.84 and 12,488.32

Step by Step Solution

1. Step 1: Write the proportion equation
   37,112.32 : 55,667.84 = 12,488.32 : x
2. Step 2: Convert to fraction form
   37,112.32/55,667.84 = 12,488.32/x
3. Step 3: Cross multiply
   37,112.32x = 55,667.84 × 12,488.32
4. Step 4: Simplify right side
   37,112.32x = 695,197,799.63
5. Step 5: Solve for x
   x = 695,197,799.63/37,112.32
6. Step 6: Final answer
   x = 18,732.26