Finding the Fourth Proportional to 37,981.34, 52,414.71 and 20,985.52

Step by Step Solution

1. Step 1: Write the proportion equation
   37,981.34 : 52,414.71 = 20,985.52 : x
2. Step 2: Convert to fraction form
   37,981.34/52,414.71 = 20,985.52/x
3. Step 3: Cross multiply
   37,981.34x = 52,414.71 × 20,985.52
4. Step 4: Simplify right side
   37,981.34x = 1,099,949,945.00
5. Step 5: Solve for x
   x = 1,099,949,945.00/37,981.34
6. Step 6: Final answer
   x = 28,960.27