Finding the Fourth Proportional to 1,750.72, 2,413.98 and 1,307.88

Step by Step Solution

1. Step 1: Write the proportion equation
   1,750.72 : 2,413.98 = 1,307.88 : x
2. Step 2: Convert to fraction form
   1,750.72/2,413.98 = 1,307.88/x
3. Step 3: Cross multiply
   1,750.72x = 2,413.98 × 1,307.88
4. Step 4: Simplify right side
   1,750.72x = 3,157,196.16
5. Step 5: Solve for x
   x = 3,157,196.16/1,750.72
6. Step 6: Final answer
   x = 1,803.37