Finding the Fourth Proportional to 37,404.05, 51,619.58 and 21,489.53

Step by Step Solution

1. Step 1: Write the proportion equation
   37,404.05 : 51,619.58 = 21,489.53 : x
2. Step 2: Convert to fraction form
   37,404.05/51,619.58 = 21,489.53/x
3. Step 3: Cross multiply
   37,404.05x = 51,619.58 × 21,489.53
4. Step 4: Simplify right side
   37,404.05x = 1,109,280,147.45
5. Step 5: Solve for x
   x = 1,109,280,147.45/37,404.05
6. Step 6: Final answer
   x = 29,656.69