Finding the Fourth Proportional to 1,573.94, 2,167.06 and 1,199.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,573.94 : 2,167.06 = 1,199.72 : x
2. Step 2: Convert to fraction form
   1,573.94/2,167.06 = 1,199.72/x
3. Step 3: Cross multiply
   1,573.94x = 2,167.06 × 1,199.72
4. Step 4: Simplify right side
   1,573.94x = 2,599,865.22
5. Step 5: Solve for x
   x = 2,599,865.22/1,573.94
6. Step 6: Final answer
   x = 1,651.82