Finding the Fourth Proportional to 2,051.52, 2,830.38 and 1,200.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,051.52 : 2,830.38 = 1,200.56 : x
2. Step 2: Convert to fraction form
   2,051.52/2,830.38 = 1,200.56/x
3. Step 3: Cross multiply
   2,051.52x = 2,830.38 × 1,200.56
4. Step 4: Simplify right side
   2,051.52x = 3,398,041.01
5. Step 5: Solve for x
   x = 3,398,041.01/2,051.52
6. Step 6: Final answer
   x = 1,656.35