Finding the Fourth Proportional to 37,111.76, 51,218.52 and 21,198.50

Step by Step Solution

1. Step 1: Write the proportion equation
   37,111.76 : 51,218.52 = 21,198.50 : x
2. Step 2: Convert to fraction form
   37,111.76/51,218.52 = 21,198.50/x
3. Step 3: Cross multiply
   37,111.76x = 51,218.52 × 21,198.50
4. Step 4: Simplify right side
   37,111.76x = 1,085,755,796.22
5. Step 5: Solve for x
   x = 1,085,755,796.22/37,111.76
6. Step 6: Final answer
   x = 29,256.38