Finding the Fourth Proportional to 37,112.16, 55,677.60 and 10,819.20

Step by Step Solution

1. Step 1: Write the proportion equation
   37,112.16 : 55,677.60 = 10,819.20 : x
2. Step 2: Convert to fraction form
   37,112.16/55,677.60 = 10,819.20/x
3. Step 3: Cross multiply
   37,112.16x = 55,677.60 × 10,819.20
4. Step 4: Simplify right side
   37,112.16x = 602,387,089.92
5. Step 5: Solve for x
   x = 602,387,089.92/37,112.16
6. Step 6: Final answer
   x = 16,231.53