Finding the Fourth Proportional to 37,974.72, 52,411.14 and 21,207.72

Step by Step Solution

1. Step 1: Write the proportion equation
   37,974.72 : 52,411.14 = 21,207.72 : x
2. Step 2: Convert to fraction form
   37,974.72/52,411.14 = 21,207.72/x
3. Step 3: Cross multiply
   37,974.72x = 52,411.14 × 21,207.72
4. Step 4: Simplify right side
   37,974.72x = 1,111,520,782.00
5. Step 5: Solve for x
   x = 1,111,520,782.00/37,974.72
6. Step 6: Final answer
   x = 29,270.02