Finding the Fourth Proportional to 37,111.82, 51,208.74 and 21,192.90

Step by Step Solution

1. Step 1: Write the proportion equation
   37,111.82 : 51,208.74 = 21,192.90 : x
2. Step 2: Convert to fraction form
   37,111.82/51,208.74 = 21,192.90/x
3. Step 3: Cross multiply
   37,111.82x = 51,208.74 × 21,192.90
4. Step 4: Simplify right side
   37,111.82x = 1,085,261,705.95
5. Step 5: Solve for x
   x = 1,085,261,705.95/37,111.82
6. Step 6: Final answer
   x = 29,243.02