Finding the Fourth Proportional to 1,307.41, 1,802.86 and 975.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,307.41 : 1,802.86 = 975.31 : x
2. Step 2: Convert to fraction form
   1,307.41/1,802.86 = 975.31/x
3. Step 3: Cross multiply
   1,307.41x = 1,802.86 × 975.31
4. Step 4: Simplify right side
   1,307.41x = 1,758,347.39
5. Step 5: Solve for x
   x = 1,758,347.39/1,307.41
6. Step 6: Final answer
   x = 1,344.91