Finding the Fourth Proportional to 37,130.97, 51,240.83 and 21,215.37

Step by Step Solution

1. Step 1: Write the proportion equation
   37,130.97 : 51,240.83 = 21,215.37 : x
2. Step 2: Convert to fraction form
   37,130.97/51,240.83 = 21,215.37/x
3. Step 3: Cross multiply
   37,130.97x = 51,240.83 × 21,215.37
4. Step 4: Simplify right side
   37,130.97x = 1,087,093,061.48
5. Step 5: Solve for x
   x = 1,087,093,061.48/37,130.97
6. Step 6: Final answer
   x = 29,277.26