Finding the Fourth Proportional to 1,561.59, 2,357.08 and 1,561.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,561.59 : 2,357.08 = 1,561.59 : x
2. Step 2: Convert to fraction form
   1,561.59/2,357.08 = 1,561.59/x
3. Step 3: Cross multiply
   1,561.59x = 2,357.08 × 1,561.59
4. Step 4: Simplify right side
   1,561.59x = 3,680,788.65
5. Step 5: Solve for x
   x = 3,680,788.65/1,561.59
6. Step 6: Final answer
   x = 2,357.08