Finding the Fourth Proportional to 2,346.32, 3,237.72 and 1,298.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,346.32 : 3,237.72 = 1,298.12 : x
2. Step 2: Convert to fraction form
   2,346.32/3,237.72 = 1,298.12/x
3. Step 3: Cross multiply
   2,346.32x = 3,237.72 × 1,298.12
4. Step 4: Simplify right side
   2,346.32x = 4,202,949.09
5. Step 5: Solve for x
   x = 4,202,949.09/2,346.32
6. Step 6: Final answer
   x = 1,791.29