Finding the Fourth Proportional to 37,611.99, 56,423.42 and 20,072.25

Step by Step Solution

1. Step 1: Write the proportion equation
   37,611.99 : 56,423.42 = 20,072.25 : x
2. Step 2: Convert to fraction form
   37,611.99/56,423.42 = 20,072.25/x
3. Step 3: Cross multiply
   37,611.99x = 56,423.42 × 20,072.25
4. Step 4: Simplify right side
   37,611.99x = 1,132,544,967.00
5. Step 5: Solve for x
   x = 1,132,544,967.00/37,611.99
6. Step 6: Final answer
   x = 30,111.27