Finding the Fourth Proportional to 4,726.86, 7,085.31 and 1,603.89

Step by Step Solution

1. Step 1: Write the proportion equation
   4,726.86 : 7,085.31 = 1,603.89 : x
2. Step 2: Convert to fraction form
   4,726.86/7,085.31 = 1,603.89/x
3. Step 3: Cross multiply
   4,726.86x = 7,085.31 × 1,603.89
4. Step 4: Simplify right side
   4,726.86x = 11,364,057.86
5. Step 5: Solve for x
   x = 11,364,057.86/4,726.86
6. Step 6: Final answer
   x = 2,404.15