Finding the Fourth Proportional to 12,897.50, 19,338.72 and 4,010.42

Step by Step Solution

1. Step 1: Write the proportion equation
   12,897.50 : 19,338.72 = 4,010.42 : x
2. Step 2: Convert to fraction form
   12,897.50/19,338.72 = 4,010.42/x
3. Step 3: Cross multiply
   12,897.50x = 19,338.72 × 4,010.42
4. Step 4: Simplify right side
   12,897.50x = 77,556,389.46
5. Step 5: Solve for x
   x = 77,556,389.46/12,897.50
6. Step 6: Final answer
   x = 6,013.29