Finding the Fourth Proportional to 37,019.29, 55,528.89 and 12,059.30

Step by Step Solution

1. Step 1: Write the proportion equation
   37,019.29 : 55,528.89 = 12,059.30 : x
2. Step 2: Convert to fraction form
   37,019.29/55,528.89 = 12,059.30/x
3. Step 3: Cross multiply
   37,019.29x = 55,528.89 × 12,059.30
4. Step 4: Simplify right side
   37,019.29x = 669,639,553.69
5. Step 5: Solve for x
   x = 669,639,553.69/37,019.29
6. Step 6: Final answer
   x = 18,088.94