Finding the Fourth Proportional to 1,710.56, 2,361.48 and 1,316.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,710.56 : 2,361.48 = 1,316.72 : x
2. Step 2: Convert to fraction form
   1,710.56/2,361.48 = 1,316.72/x
3. Step 3: Cross multiply
   1,710.56x = 2,361.48 × 1,316.72
4. Step 4: Simplify right side
   1,710.56x = 3,109,407.95
5. Step 5: Solve for x
   x = 3,109,407.95/1,710.56
6. Step 6: Final answer
   x = 1,817.77