Finding the Fourth Proportional to 1,350.32, 1,861.20 and 1,070.04

Step by Step Solution

1. Step 1: Write the proportion equation
   1,350.32 : 1,861.20 = 1,070.04 : x
2. Step 2: Convert to fraction form
   1,350.32/1,861.20 = 1,070.04/x
3. Step 3: Cross multiply
   1,350.32x = 1,861.20 × 1,070.04
4. Step 4: Simplify right side
   1,350.32x = 1,991,558.45
5. Step 5: Solve for x
   x = 1,991,558.45/1,350.32
6. Step 6: Final answer
   x = 1,474.88