Finding the Fourth Proportional to 3,100.89, 4,279.17 and 1,703.63

Step by Step Solution

1. Step 1: Write the proportion equation
   3,100.89 : 4,279.17 = 1,703.63 : x
2. Step 2: Convert to fraction form
   3,100.89/4,279.17 = 1,703.63/x
3. Step 3: Cross multiply
   3,100.89x = 4,279.17 × 1,703.63
4. Step 4: Simplify right side
   3,100.89x = 7,290,122.39
5. Step 5: Solve for x
   x = 7,290,122.39/3,100.89
6. Step 6: Final answer
   x = 2,350.98