Finding the Fourth Proportional to 1,897.59, 2,847.86 and 1,316.67

Step by Step Solution

1. Step 1: Write the proportion equation
   1,897.59 : 2,847.86 = 1,316.67 : x
2. Step 2: Convert to fraction form
   1,897.59/2,847.86 = 1,316.67/x
3. Step 3: Cross multiply
   1,897.59x = 2,847.86 × 1,316.67
4. Step 4: Simplify right side
   1,897.59x = 3,749,695.52
5. Step 5: Solve for x
   x = 3,749,695.52/1,897.59
6. Step 6: Final answer
   x = 1,976.03