Finding the Fourth Proportional to 1,410.07, 2,114.37 and 619.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,410.07 : 2,114.37 = 619.10 : x
2. Step 2: Convert to fraction form
   1,410.07/2,114.37 = 619.10/x
3. Step 3: Cross multiply
   1,410.07x = 2,114.37 × 619.10
4. Step 4: Simplify right side
   1,410.07x = 1,309,017.46
5. Step 5: Solve for x
   x = 1,309,017.46/1,410.07
6. Step 6: Final answer
   x = 928.34