Finding the Fourth Proportional to 17,919.95, 26,885.34 and 7,240.82

Step by Step Solution

1. Step 1: Write the proportion equation
   17,919.95 : 26,885.34 = 7,240.82 : x
2. Step 2: Convert to fraction form
   17,919.95/26,885.34 = 7,240.82/x
3. Step 3: Cross multiply
   17,919.95x = 26,885.34 × 7,240.82
4. Step 4: Simplify right side
   17,919.95x = 194,671,773.15
5. Step 5: Solve for x
   x = 194,671,773.15/17,919.95
6. Step 6: Final answer
   x = 10,863.41