Finding the Fourth Proportional to 2,050.56, 3,070.32 and 1,561.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,050.56 : 3,070.32 = 1,561.28 : x
2. Step 2: Convert to fraction form
   2,050.56/3,070.32 = 1,561.28/x
3. Step 3: Cross multiply
   2,050.56x = 3,070.32 × 1,561.28
4. Step 4: Simplify right side
   2,050.56x = 4,793,629.21
5. Step 5: Solve for x
   x = 4,793,629.21/2,050.56
6. Step 6: Final answer
   x = 2,337.72