Finding the Fourth Proportional to 37,390.72, 51,599.22 and 21,476.20

Step by Step Solution

1. Step 1: Write the proportion equation
   37,390.72 : 51,599.22 = 21,476.20 : x
2. Step 2: Convert to fraction form
   37,390.72/51,599.22 = 21,476.20/x
3. Step 3: Cross multiply
   37,390.72x = 51,599.22 × 21,476.20
4. Step 4: Simplify right side
   37,390.72x = 1,108,155,168.56
5. Step 5: Solve for x
   x = 1,108,155,168.56/37,390.72
6. Step 6: Final answer
   x = 29,637.17