Finding the Fourth Proportional to 37,111.02, 51,213.82 and 20,115.80

Step by Step Solution

1. Step 1: Write the proportion equation
   37,111.02 : 51,213.82 = 20,115.80 : x
2. Step 2: Convert to fraction form
   37,111.02/51,213.82 = 20,115.80/x
3. Step 3: Cross multiply
   37,111.02x = 51,213.82 × 20,115.80
4. Step 4: Simplify right side
   37,111.02x = 1,030,206,960.36
5. Step 5: Solve for x
   x = 1,030,206,960.36/37,111.02
6. Step 6: Final answer
   x = 27,760.14