Finding the Fourth Proportional to 37,032.16, 51,103.12 and 21,121.76

Step by Step Solution

1. Step 1: Write the proportion equation
   37,032.16 : 51,103.12 = 21,121.76 : x
2. Step 2: Convert to fraction form
   37,032.16/51,103.12 = 21,121.76/x
3. Step 3: Cross multiply
   37,032.16x = 51,103.12 × 21,121.76
4. Step 4: Simplify right side
   37,032.16x = 1,079,387,835.89
5. Step 5: Solve for x
   x = 1,079,387,835.89/37,032.16
6. Step 6: Final answer
   x = 29,147.31