Finding the Fourth Proportional to 25,153.63, 37,733.69 and 7,620.37

Step by Step Solution

1. Step 1: Write the proportion equation
   25,153.63 : 37,733.69 = 7,620.37 : x
2. Step 2: Convert to fraction form
   25,153.63/37,733.69 = 7,620.37/x
3. Step 3: Cross multiply
   25,153.63x = 37,733.69 × 7,620.37
4. Step 4: Simplify right side
   25,153.63x = 287,544,679.27
5. Step 5: Solve for x
   x = 287,544,679.27/25,153.63
6. Step 6: Final answer
   x = 11,431.54