Finding the Fourth Proportional to 2,346.63, 3,238.43 and 1,298.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,346.63 : 3,238.43 = 1,298.89 : x
2. Step 2: Convert to fraction form
   2,346.63/3,238.43 = 1,298.89/x
3. Step 3: Cross multiply
   2,346.63x = 3,238.43 × 1,298.89
4. Step 4: Simplify right side
   2,346.63x = 4,206,364.34
5. Step 5: Solve for x
   x = 4,206,364.34/2,346.63
6. Step 6: Final answer
   x = 1,792.51