Finding the Fourth Proportional to 12,930.44, 17,847.54 and 7,557.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,930.44 : 17,847.54 = 7,557.50 : x
2. Step 2: Convert to fraction form
   12,930.44/17,847.54 = 7,557.50/x
3. Step 3: Cross multiply
   12,930.44x = 17,847.54 × 7,557.50
4. Step 4: Simplify right side
   12,930.44x = 134,882,828.17
5. Step 5: Solve for x
   x = 134,882,828.17/12,930.44
6. Step 6: Final answer
   x = 10,431.42