Finding the Fourth Proportional to 37,029.15, 51,098.96 and 21,118.72

Step by Step Solution

1. Step 1: Write the proportion equation
   37,029.15 : 51,098.96 = 21,118.72 : x
2. Step 2: Convert to fraction form
   37,029.15/51,098.96 = 21,118.72/x
3. Step 3: Cross multiply
   37,029.15x = 51,098.96 × 21,118.72
4. Step 4: Simplify right side
   37,029.15x = 1,079,144,617.31
5. Step 5: Solve for x
   x = 1,079,144,617.31/37,029.15
6. Step 6: Final answer
   x = 29,143.11