Finding the Fourth Proportional to 10,147.74, 15,222.06 and 3,905.52

Step by Step Solution

1. Step 1: Write the proportion equation
   10,147.74 : 15,222.06 = 3,905.52 : x
2. Step 2: Convert to fraction form
   10,147.74/15,222.06 = 3,905.52/x
3. Step 3: Cross multiply
   10,147.74x = 15,222.06 × 3,905.52
4. Step 4: Simplify right side
   10,147.74x = 59,450,059.77
5. Step 5: Solve for x
   x = 59,450,059.77/10,147.74
6. Step 6: Final answer
   x = 5,858.45