Finding the Fourth Proportional to 25,150.78, 37,725.02 and 7,380.72

Step by Step Solution

1. Step 1: Write the proportion equation
   25,150.78 : 37,725.02 = 7,380.72 : x
2. Step 2: Convert to fraction form
   25,150.78/37,725.02 = 7,380.72/x
3. Step 3: Cross multiply
   25,150.78x = 37,725.02 × 7,380.72
4. Step 4: Simplify right side
   25,150.78x = 278,437,828.07
5. Step 5: Solve for x
   x = 278,437,828.07/25,150.78
6. Step 6: Final answer
   x = 11,070.74