Finding the Fourth Proportional to 2,346.89, 3,238.68 and 1,298.93

Step by Step Solution

1. Step 1: Write the proportion equation
   2,346.89 : 3,238.68 = 1,298.93 : x
2. Step 2: Convert to fraction form
   2,346.89/3,238.68 = 1,298.93/x
3. Step 3: Cross multiply
   2,346.89x = 3,238.68 × 1,298.93
4. Step 4: Simplify right side
   2,346.89x = 4,206,818.61
5. Step 5: Solve for x
   x = 4,206,818.61/2,346.89
6. Step 6: Final answer
   x = 1,792.51