Finding the Fourth Proportional to 3,492.06, 4,818.83 and 1,920.15

Step by Step Solution

1. Step 1: Write the proportion equation
   3,492.06 : 4,818.83 = 1,920.15 : x
2. Step 2: Convert to fraction form
   3,492.06/4,818.83 = 1,920.15/x
3. Step 3: Cross multiply
   3,492.06x = 4,818.83 × 1,920.15
4. Step 4: Simplify right side
   3,492.06x = 9,252,866.82
5. Step 5: Solve for x
   x = 9,252,866.82/3,492.06
6. Step 6: Final answer
   x = 2,649.69