Finding the Fourth Proportional to 37,584.76, 56,383.54 and 12,955

Step by Step Solution

1. Step 1: Write the proportion equation
   37,584.76 : 56,383.54 = 12,955 : x
2. Step 2: Convert to fraction form
   37,584.76/56,383.54 = 12,955/x
3. Step 3: Cross multiply
   37,584.76x = 56,383.54 × 12,955
4. Step 4: Simplify right side
   37,584.76x = 730,448,760.70
5. Step 5: Solve for x
   x = 730,448,760.70/37,584.76
6. Step 6: Final answer
   x = 19,434.71