Finding the Fourth Proportional to 1,405.96, 1,941.95 and 1,053.46

Step by Step Solution

1. Step 1: Write the proportion equation
   1,405.96 : 1,941.95 = 1,053.46 : x
2. Step 2: Convert to fraction form
   1,405.96/1,941.95 = 1,053.46/x
3. Step 3: Cross multiply
   1,405.96x = 1,941.95 × 1,053.46
4. Step 4: Simplify right side
   1,405.96x = 2,045,771.71
5. Step 5: Solve for x
   x = 2,045,771.71/1,405.96
6. Step 6: Final answer
   x = 1,455.07