Finding the Fourth Proportional to 37,981.19, 52,409.57 and 20,984.42

Step by Step Solution

1. Step 1: Write the proportion equation
   37,981.19 : 52,409.57 = 20,984.42 : x
2. Step 2: Convert to fraction form
   37,981.19/52,409.57 = 20,984.42/x
3. Step 3: Cross multiply
   37,981.19x = 52,409.57 × 20,984.42
4. Step 4: Simplify right side
   37,981.19x = 1,099,784,428.90
5. Step 5: Solve for x
   x = 1,099,784,428.90/37,981.19
6. Step 6: Final answer
   x = 28,956.03