Finding the Fourth Proportional to 3,498.50, 5,248.38 and 1,307.18

Step by Step Solution

1. Step 1: Write the proportion equation
   3,498.50 : 5,248.38 = 1,307.18 : x
2. Step 2: Convert to fraction form
   3,498.50/5,248.38 = 1,307.18/x
3. Step 3: Cross multiply
   3,498.50x = 5,248.38 × 1,307.18
4. Step 4: Simplify right side
   3,498.50x = 6,860,577.37
5. Step 5: Solve for x
   x = 6,860,577.37/3,498.50
6. Step 6: Final answer
   x = 1,961.01