Finding the Fourth Proportional to 2,430.45, 3,649.34 and 1,942.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,430.45 : 3,649.34 = 1,942.05 : x
2. Step 2: Convert to fraction form
   2,430.45/3,649.34 = 1,942.05/x
3. Step 3: Cross multiply
   2,430.45x = 3,649.34 × 1,942.05
4. Step 4: Simplify right side
   2,430.45x = 7,087,191.04
5. Step 5: Solve for x
   x = 7,087,191.04/2,430.45
6. Step 6: Final answer
   x = 2,916.00