Finding the Fourth Proportional to 16,987.19, 25,486.25 and 7,123.82

Step by Step Solution

1. Step 1: Write the proportion equation
   16,987.19 : 25,486.25 = 7,123.82 : x
2. Step 2: Convert to fraction form
   16,987.19/25,486.25 = 7,123.82/x
3. Step 3: Cross multiply
   16,987.19x = 25,486.25 × 7,123.82
4. Step 4: Simplify right side
   16,987.19x = 181,559,294.42
5. Step 5: Solve for x
   x = 181,559,294.42/16,987.19
6. Step 6: Final answer
   x = 10,688.02