Finding the Fourth Proportional to 17,385.37, 26,078.49 and 5,538.95

Step by Step Solution

1. Step 1: Write the proportion equation
   17,385.37 : 26,078.49 = 5,538.95 : x
2. Step 2: Convert to fraction form
   17,385.37/26,078.49 = 5,538.95/x
3. Step 3: Cross multiply
   17,385.37x = 26,078.49 × 5,538.95
4. Step 4: Simplify right side
   17,385.37x = 144,447,419.59
5. Step 5: Solve for x
   x = 144,447,419.59/17,385.37
6. Step 6: Final answer
   x = 8,308.56