Finding the Fourth Proportional to 1,410.93, 1,945.76 and 913.39

Step by Step Solution

1. Step 1: Write the proportion equation
   1,410.93 : 1,945.76 = 913.39 : x
2. Step 2: Convert to fraction form
   1,410.93/1,945.76 = 913.39/x
3. Step 3: Cross multiply
   1,410.93x = 1,945.76 × 913.39
4. Step 4: Simplify right side
   1,410.93x = 1,777,237.73
5. Step 5: Solve for x
   x = 1,777,237.73/1,410.93
6. Step 6: Final answer
   x = 1,259.62