Finding the Fourth Proportional to 1,410.70, 2,114.59 and 760.07

Step by Step Solution

1. Step 1: Write the proportion equation
   1,410.70 : 2,114.59 = 760.07 : x
2. Step 2: Convert to fraction form
   1,410.70/2,114.59 = 760.07/x
3. Step 3: Cross multiply
   1,410.70x = 2,114.59 × 760.07
4. Step 4: Simplify right side
   1,410.70x = 1,607,236.42
5. Step 5: Solve for x
   x = 1,607,236.42/1,410.70
6. Step 6: Final answer
   x = 1,139.32