Finding the Fourth Proportional to 37,258.64, 55,894.86 and 12,300.42

Step by Step Solution

1. Step 1: Write the proportion equation
   37,258.64 : 55,894.86 = 12,300.42 : x
2. Step 2: Convert to fraction form
   37,258.64/55,894.86 = 12,300.42/x
3. Step 3: Cross multiply
   37,258.64x = 55,894.86 × 12,300.42
4. Step 4: Simplify right side
   37,258.64x = 687,530,253.84
5. Step 5: Solve for x
   x = 687,530,253.84/37,258.64
6. Step 6: Final answer
   x = 18,452.91