Finding the Fourth Proportional to 1,715.82, 2,570.06 and 1,591.88

Step by Step Solution

1. Step 1: Write the proportion equation
   1,715.82 : 2,570.06 = 1,591.88 : x
2. Step 2: Convert to fraction form
   1,715.82/2,570.06 = 1,591.88/x
3. Step 3: Cross multiply
   1,715.82x = 2,570.06 × 1,591.88
4. Step 4: Simplify right side
   1,715.82x = 4,091,227.11
5. Step 5: Solve for x
   x = 4,091,227.11/1,715.82
6. Step 6: Final answer
   x = 2,384.42