Finding the Fourth Proportional to 12,408.53, 17,123.75 and 7,030.95

Step by Step Solution

1. Step 1: Write the proportion equation
   12,408.53 : 17,123.75 = 7,030.95 : x
2. Step 2: Convert to fraction form
   12,408.53/17,123.75 = 7,030.95/x
3. Step 3: Cross multiply
   12,408.53x = 17,123.75 × 7,030.95
4. Step 4: Simplify right side
   12,408.53x = 120,396,237.72
5. Step 5: Solve for x
   x = 120,396,237.72/12,408.53
6. Step 6: Final answer
   x = 9,702.70