Finding the Fourth Proportional to 1,350.58, 1,861.56 and 1,070.32

Step by Step Solution

1. Step 1: Write the proportion equation
   1,350.58 : 1,861.56 = 1,070.32 : x
2. Step 2: Convert to fraction form
   1,350.58/1,861.56 = 1,070.32/x
3. Step 3: Cross multiply
   1,350.58x = 1,861.56 × 1,070.32
4. Step 4: Simplify right side
   1,350.58x = 1,992,464.90
5. Step 5: Solve for x
   x = 1,992,464.90/1,350.58
6. Step 6: Final answer
   x = 1,475.27