Finding the Fourth Proportional to 2,618.64, 3,614.81 and 1,570.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,618.64 : 3,614.81 = 1,570.50 : x
2. Step 2: Convert to fraction form
   2,618.64/3,614.81 = 1,570.50/x
3. Step 3: Cross multiply
   2,618.64x = 3,614.81 × 1,570.50
4. Step 4: Simplify right side
   2,618.64x = 5,677,051.25
5. Step 5: Solve for x
   x = 5,677,051.25/2,618.64
6. Step 6: Final answer
   x = 2,167.94