Finding the Fourth Proportional to 37,819.84, 52,191.57 and 21,687.76

Step by Step Solution

1. Step 1: Write the proportion equation
   37,819.84 : 52,191.57 = 21,687.76 : x
2. Step 2: Convert to fraction form
   37,819.84/52,191.57 = 21,687.76/x
3. Step 3: Cross multiply
   37,819.84x = 52,191.57 × 21,687.76
4. Step 4: Simplify right side
   37,819.84x = 1,131,918,086.52
5. Step 5: Solve for x
   x = 1,131,918,086.52/37,819.84
6. Step 6: Final answer
   x = 29,929.21