Finding the Fourth Proportional to 5,109.39, 7,663.55 and 2,335.37

Step by Step Solution

1. Step 1: Write the proportion equation
   5,109.39 : 7,663.55 = 2,335.37 : x
2. Step 2: Convert to fraction form
   5,109.39/7,663.55 = 2,335.37/x
3. Step 3: Cross multiply
   5,109.39x = 7,663.55 × 2,335.37
4. Step 4: Simplify right side
   5,109.39x = 17,897,174.77
5. Step 5: Solve for x
   x = 17,897,174.77/5,109.39
6. Step 6: Final answer
   x = 3,502.80