Finding the Fourth Proportional to 1,307.68, 1,804.68 and 914.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,307.68 : 1,804.68 = 914.83 : x
2. Step 2: Convert to fraction form
   1,307.68/1,804.68 = 914.83/x
3. Step 3: Cross multiply
   1,307.68x = 1,804.68 × 914.83
4. Step 4: Simplify right side
   1,307.68x = 1,650,970.89
5. Step 5: Solve for x
   x = 1,650,970.89/1,307.68
6. Step 6: Final answer
   x = 1,262.52