Finding the Fourth Proportional to 2,146.02, 2,961.54 and 1,201.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,146.02 : 2,961.54 = 1,201.86 : x
2. Step 2: Convert to fraction form
   2,146.02/2,961.54 = 1,201.86/x
3. Step 3: Cross multiply
   2,146.02x = 2,961.54 × 1,201.86
4. Step 4: Simplify right side
   2,146.02x = 3,559,356.46
5. Step 5: Solve for x
   x = 3,559,356.46/2,146.02
6. Step 6: Final answer
   x = 1,658.58