Finding the Fourth Proportional to 37,947, 52,366.92 and 21,180

Step by Step Solution

1. Step 1: Write the proportion equation
   37,947 : 52,366.92 = 21,180 : x
2. Step 2: Convert to fraction form
   37,947/52,366.92 = 21,180/x
3. Step 3: Cross multiply
   37,947x = 52,366.92 × 21,180
4. Step 4: Simplify right side
   37,947x = 1,109,131,365.60
5. Step 5: Solve for x
   x = 1,109,131,365.60/37,947
6. Step 6: Final answer
   x = 29,228.43