Finding the Fourth Proportional to 37,046.10, 55,574.55 and 12,087.30

Step by Step Solution

1. Step 1: Write the proportion equation
   37,046.10 : 55,574.55 = 12,087.30 : x
2. Step 2: Convert to fraction form
   37,046.10/55,574.55 = 12,087.30/x
3. Step 3: Cross multiply
   37,046.10x = 55,574.55 × 12,087.30
4. Step 4: Simplify right side
   37,046.10x = 671,746,258.22
5. Step 5: Solve for x
   x = 671,746,258.22/37,046.10
6. Step 6: Final answer
   x = 18,132.71