Finding the Fourth Proportional to 37,111.70, 51,214.72 and 21,196.16

Step by Step Solution

1. Step 1: Write the proportion equation
   37,111.70 : 51,214.72 = 21,196.16 : x
2. Step 2: Convert to fraction form
   37,111.70/51,214.72 = 21,196.16/x
3. Step 3: Cross multiply
   37,111.70x = 51,214.72 × 21,196.16
4. Step 4: Simplify right side
   37,111.70x = 1,085,555,399.48
5. Step 5: Solve for x
   x = 1,085,555,399.48/37,111.70
6. Step 6: Final answer
   x = 29,251.03