Finding the Fourth Proportional to 37,781.34, 52,138.11 and 21,014.34

Step by Step Solution

1. Step 1: Write the proportion equation
   37,781.34 : 52,138.11 = 21,014.34 : x
2. Step 2: Convert to fraction form
   37,781.34/52,138.11 = 21,014.34/x
3. Step 3: Cross multiply
   37,781.34x = 52,138.11 × 21,014.34
4. Step 4: Simplify right side
   37,781.34x = 1,095,647,970.50
5. Step 5: Solve for x
   x = 1,095,647,970.50/37,781.34
6. Step 6: Final answer
   x = 28,999.71