Finding the Fourth Proportional to 37,289.62, 51,459.69 and 20,522.50

Step by Step Solution

1. Step 1: Write the proportion equation
   37,289.62 : 51,459.69 = 20,522.50 : x
2. Step 2: Convert to fraction form
   37,289.62/51,459.69 = 20,522.50/x
3. Step 3: Cross multiply
   37,289.62x = 51,459.69 × 20,522.50
4. Step 4: Simplify right side
   37,289.62x = 1,056,081,488.03
5. Step 5: Solve for x
   x = 1,056,081,488.03/37,289.62
6. Step 6: Final answer
   x = 28,321.06