Finding the Fourth Proportional to 2,430.15, 3,353.89 and 1,368.09

Step by Step Solution

1. Step 1: Write the proportion equation
   2,430.15 : 3,353.89 = 1,368.09 : x
2. Step 2: Convert to fraction form
   2,430.15/3,353.89 = 1,368.09/x
3. Step 3: Cross multiply
   2,430.15x = 3,353.89 × 1,368.09
4. Step 4: Simplify right side
   2,430.15x = 4,588,428.29
5. Step 5: Solve for x
   x = 4,588,428.29/2,430.15
6. Step 6: Final answer
   x = 1,888.12