Finding the Fourth Proportional to 37,164, 51,280.56 and 21,249.12

Step by Step Solution

1. Step 1: Write the proportion equation
   37,164 : 51,280.56 = 21,249.12 : x
2. Step 2: Convert to fraction form
   37,164/51,280.56 = 21,249.12/x
3. Step 3: Cross multiply
   37,164x = 51,280.56 × 21,249.12
4. Step 4: Simplify right side
   37,164x = 1,089,666,773.11
5. Step 5: Solve for x
   x = 1,089,666,773.11/37,164
6. Step 6: Final answer
   x = 29,320.49