Finding the Fourth Proportional to 37,111.07, 51,213.09 and 20,115.25

Step by Step Solution

1. Step 1: Write the proportion equation
   37,111.07 : 51,213.09 = 20,115.25 : x
2. Step 2: Convert to fraction form
   37,111.07/51,213.09 = 20,115.25/x
3. Step 3: Cross multiply
   37,111.07x = 51,213.09 × 20,115.25
4. Step 4: Simplify right side
   37,111.07x = 1,030,164,056.02
5. Step 5: Solve for x
   x = 1,030,164,056.02/37,111.07
6. Step 6: Final answer
   x = 27,758.94