Finding the Fourth Proportional to 37,922.50, 52,333.05 and 21,155.50

Step by Step Solution

1. Step 1: Write the proportion equation
   37,922.50 : 52,333.05 = 21,155.50 : x
2. Step 2: Convert to fraction form
   37,922.50/52,333.05 = 21,155.50/x
3. Step 3: Cross multiply
   37,922.50x = 52,333.05 × 21,155.50
4. Step 4: Simplify right side
   37,922.50x = 1,107,131,839.28
5. Step 5: Solve for x
   x = 1,107,131,839.28/37,922.50
6. Step 6: Final answer
   x = 29,194.59