Finding the Fourth Proportional to 13,046.67, 17,893.71 and 12,510.85

Step by Step Solution

1. Step 1: Write the proportion equation
   13,046.67 : 17,893.71 = 12,510.85 : x
2. Step 2: Convert to fraction form
   13,046.67/17,893.71 = 12,510.85/x
3. Step 3: Cross multiply
   13,046.67x = 17,893.71 × 12,510.85
4. Step 4: Simplify right side
   13,046.67x = 223,865,521.75
5. Step 5: Solve for x
   x = 223,865,521.75/13,046.67
6. Step 6: Final answer
   x = 17,158.82