Finding the Fourth Proportional to 2,014.72, 2,781.48 and 1,316.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,014.72 : 2,781.48 = 1,316.50 : x
2. Step 2: Convert to fraction form
   2,014.72/2,781.48 = 1,316.50/x
3. Step 3: Cross multiply
   2,014.72x = 2,781.48 × 1,316.50
4. Step 4: Simplify right side
   2,014.72x = 3,661,818.42
5. Step 5: Solve for x
   x = 3,661,818.42/2,014.72
6. Step 6: Final answer
   x = 1,817.53