Finding the Fourth Proportional to 37,355.50, 51,551.40 and 20,588.50

Step by Step Solution

1. Step 1: Write the proportion equation
   37,355.50 : 51,551.40 = 20,588.50 : x
2. Step 2: Convert to fraction form
   37,355.50/51,551.40 = 20,588.50/x
3. Step 3: Cross multiply
   37,355.50x = 51,551.40 × 20,588.50
4. Step 4: Simplify right side
   37,355.50x = 1,061,365,998.90
5. Step 5: Solve for x
   x = 1,061,365,998.90/37,355.50
6. Step 6: Final answer
   x = 28,412.58