Finding the Fourth Proportional to 37,111.38, 51,211.80 and 21,192.72

Step by Step Solution

1. Step 1: Write the proportion equation
   37,111.38 : 51,211.80 = 21,192.72 : x
2. Step 2: Convert to fraction form
   37,111.38/51,211.80 = 21,192.72/x
3. Step 3: Cross multiply
   37,111.38x = 51,211.80 × 21,192.72
4. Step 4: Simplify right side
   37,111.38x = 1,085,317,338.10
5. Step 5: Solve for x
   x = 1,085,317,338.10/37,111.38
6. Step 6: Final answer
   x = 29,244.87