Finding the Fourth Proportional to 1,158,605.25, 1,738,170.72 and 410,651.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,158,605.25 : 1,738,170.72 = 410,651.25 : x
2. Step 2: Convert to fraction form
   1,158,605.25/1,738,170.72 = 410,651.25/x
3. Step 3: Cross multiply
   1,158,605.25x = 1,738,170.72 × 410,651.25
4. Step 4: Simplify right side
   1,158,605.25x = 713,781,978,881.40
5. Step 5: Solve for x
   x = 713,781,978,881.40/1,158,605.25
6. Step 6: Final answer
   x = 616,070.04