Finding the Fourth Proportional to 37,910, 52,314.68 and 21,993.36

Step by Step Solution

1. Step 1: Write the proportion equation
   37,910 : 52,314.68 = 21,993.36 : x
2. Step 2: Convert to fraction form
   37,910/52,314.68 = 21,993.36/x
3. Step 3: Cross multiply
   37,910x = 52,314.68 × 21,993.36
4. Step 4: Simplify right side
   37,910x = 1,150,575,590.52
5. Step 5: Solve for x
   x = 1,150,575,590.52/37,910
6. Step 6: Final answer
   x = 30,350.19