Finding the Fourth Proportional to 37,149.98, 51,262.20 and 21,235.50

Step by Step Solution

1. Step 1: Write the proportion equation
   37,149.98 : 51,262.20 = 21,235.50 : x
2. Step 2: Convert to fraction form
   37,149.98/51,262.20 = 21,235.50/x
3. Step 3: Cross multiply
   37,149.98x = 51,262.20 × 21,235.50
4. Step 4: Simplify right side
   37,149.98x = 1,088,578,448.10
5. Step 5: Solve for x
   x = 1,088,578,448.10/37,149.98
6. Step 6: Final answer
   x = 29,302.27