Finding the Fourth Proportional to 1,647.12, 2,465.52 and 914.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,647.12 : 2,465.52 = 914.34 : x
2. Step 2: Convert to fraction form
   1,647.12/2,465.52 = 914.34/x
3. Step 3: Cross multiply
   1,647.12x = 2,465.52 × 914.34
4. Step 4: Simplify right side
   1,647.12x = 2,254,323.56
5. Step 5: Solve for x
   x = 2,254,323.56/1,647.12
6. Step 6: Final answer
   x = 1,368.65