Finding the Fourth Proportional to 37,981.62, 52,417.53 and 21,853.89

Step by Step Solution

1. Step 1: Write the proportion equation
   37,981.62 : 52,417.53 = 21,853.89 : x
2. Step 2: Convert to fraction form
   37,981.62/52,417.53 = 21,853.89/x
3. Step 3: Cross multiply
   37,981.62x = 52,417.53 × 21,853.89
4. Step 4: Simplify right side
   37,981.62x = 1,145,526,934.69
5. Step 5: Solve for x
   x = 1,145,526,934.69/37,981.62
6. Step 6: Final answer
   x = 30,160.03