Finding the Fourth Proportional to 37,940.92, 52,363.75 and 21,175

Step by Step Solution

1. Step 1: Write the proportion equation
   37,940.92 : 52,363.75 = 21,175 : x
2. Step 2: Convert to fraction form
   37,940.92/52,363.75 = 21,175/x
3. Step 3: Cross multiply
   37,940.92x = 52,363.75 × 21,175
4. Step 4: Simplify right side
   37,940.92x = 1,108,802,406.25
5. Step 5: Solve for x
   x = 1,108,802,406.25/37,940.92
6. Step 6: Final answer
   x = 29,224.45