Finding the Fourth Proportional to 37,915.62, 52,319.97 and 21,996.42

Step by Step Solution

1. Step 1: Write the proportion equation
   37,915.62 : 52,319.97 = 21,996.42 : x
2. Step 2: Convert to fraction form
   37,915.62/52,319.97 = 21,996.42/x
3. Step 3: Cross multiply
   37,915.62x = 52,319.97 × 21,996.42
4. Step 4: Simplify right side
   37,915.62x = 1,150,852,034.51
5. Step 5: Solve for x
   x = 1,150,852,034.51/37,915.62
6. Step 6: Final answer
   x = 30,352.98