Finding the Fourth Proportional to 37,221.31, 51,365.98 and 20,225.89

Step by Step Solution

1. Step 1: Write the proportion equation
   37,221.31 : 51,365.98 = 20,225.89 : x
2. Step 2: Convert to fraction form
   37,221.31/51,365.98 = 20,225.89/x
3. Step 3: Cross multiply
   37,221.31x = 51,365.98 × 20,225.89
4. Step 4: Simplify right side
   37,221.31x = 1,038,922,661.22
5. Step 5: Solve for x
   x = 1,038,922,661.22/37,221.31
6. Step 6: Final answer
   x = 27,912.04