Finding the Fourth Proportional to 1,196.86, 1,652.46 and 1,070.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,196.86 : 1,652.46 = 1,070.42 : x
2. Step 2: Convert to fraction form
   1,196.86/1,652.46 = 1,070.42/x
3. Step 3: Cross multiply
   1,196.86x = 1,652.46 × 1,070.42
4. Step 4: Simplify right side
   1,196.86x = 1,768,826.23
5. Step 5: Solve for x
   x = 1,768,826.23/1,196.86
6. Step 6: Final answer
   x = 1,477.90