Finding the Fourth Proportional to 37,827.45, 52,208.69 and 21,920.67

Step by Step Solution

1. Step 1: Write the proportion equation
   37,827.45 : 52,208.69 = 21,920.67 : x
2. Step 2: Convert to fraction form
   37,827.45/52,208.69 = 21,920.67/x
3. Step 3: Cross multiply
   37,827.45x = 52,208.69 × 21,920.67
4. Step 4: Simplify right side
   37,827.45x = 1,144,449,355.02
5. Step 5: Solve for x
   x = 1,144,449,355.02/37,827.45
6. Step 6: Final answer
   x = 30,254.47