Finding the Fourth Proportional to 37,918.69, 52,327.79 and 21,151.69

Step by Step Solution

1. Step 1: Write the proportion equation
   37,918.69 : 52,327.79 = 21,151.69 : x
2. Step 2: Convert to fraction form
   37,918.69/52,327.79 = 21,151.69/x
3. Step 3: Cross multiply
   37,918.69x = 52,327.79 × 21,151.69
4. Step 4: Simplify right side
   37,918.69x = 1,106,821,035.21
5. Step 5: Solve for x
   x = 1,106,821,035.21/37,918.69
6. Step 6: Final answer
   x = 29,189.33