Finding the Fourth Proportional to 37,061.14, 55,591.59 and 28,639.87

Step by Step Solution

1. Step 1: Write the proportion equation
   37,061.14 : 55,591.59 = 28,639.87 : x
2. Step 2: Convert to fraction form
   37,061.14/55,591.59 = 28,639.87/x
3. Step 3: Cross multiply
   37,061.14x = 55,591.59 × 28,639.87
4. Step 4: Simplify right side
   37,061.14x = 1,592,135,910.69
5. Step 5: Solve for x
   x = 1,592,135,910.69/37,061.14
6. Step 6: Final answer
   x = 42,959.71