Finding the Fourth Proportional to 12,354.87, 17,050.94 and 7,050.48

Step by Step Solution

1. Step 1: Write the proportion equation
   12,354.87 : 17,050.94 = 7,050.48 : x
2. Step 2: Convert to fraction form
   12,354.87/17,050.94 = 7,050.48/x
3. Step 3: Cross multiply
   12,354.87x = 17,050.94 × 7,050.48
4. Step 4: Simplify right side
   12,354.87x = 120,217,422.22
5. Step 5: Solve for x
   x = 120,217,422.22/12,354.87
6. Step 6: Final answer
   x = 9,730.37