Finding the Fourth Proportional to 19,835.52, 27,375.17 and 12,671.98

Step by Step Solution

1. Step 1: Write the proportion equation
   19,835.52 : 27,375.17 = 12,671.98 : x
2. Step 2: Convert to fraction form
   19,835.52/27,375.17 = 12,671.98/x
3. Step 3: Cross multiply
   19,835.52x = 27,375.17 × 12,671.98
4. Step 4: Simplify right side
   19,835.52x = 346,897,474.94
5. Step 5: Solve for x
   x = 346,897,474.94/19,835.52
6. Step 6: Final answer
   x = 17,488.70