Finding the Fourth Proportional to 37,886.69, 56,846.42 and 20,336.01

Step by Step Solution

1. Step 1: Write the proportion equation
   37,886.69 : 56,846.42 = 20,336.01 : x
2. Step 2: Convert to fraction form
   37,886.69/56,846.42 = 20,336.01/x
3. Step 3: Cross multiply
   37,886.69x = 56,846.42 × 20,336.01
4. Step 4: Simplify right side
   37,886.69x = 1,156,029,263.90
5. Step 5: Solve for x
   x = 1,156,029,263.90/37,886.69
6. Step 6: Final answer
   x = 30,512.81