Finding the Fourth Proportional to 37,069.89, 51,157.31 and 21,155.82

Step by Step Solution

1. Step 1: Write the proportion equation
   37,069.89 : 51,157.31 = 21,155.82 : x
2. Step 2: Convert to fraction form
   37,069.89/51,157.31 = 21,155.82/x
3. Step 3: Cross multiply
   37,069.89x = 51,157.31 × 21,155.82
4. Step 4: Simplify right side
   37,069.89x = 1,082,274,736.27
5. Step 5: Solve for x
   x = 1,082,274,736.27/37,069.89
6. Step 6: Final answer
   x = 29,195.52