Finding the Fourth Proportional to 37,958.39, 56,899.46 and 12,981.36

Step by Step Solution

1. Step 1: Write the proportion equation
   37,958.39 : 56,899.46 = 12,981.36 : x
2. Step 2: Convert to fraction form
   37,958.39/56,899.46 = 12,981.36/x
3. Step 3: Cross multiply
   37,958.39x = 56,899.46 × 12,981.36
4. Step 4: Simplify right side
   37,958.39x = 738,632,619.89
5. Step 5: Solve for x
   x = 738,632,619.89/37,958.39
6. Step 6: Final answer
   x = 19,459.01