Finding the Fourth Proportional to 1,175,501.88, 1,622,191.14 and 685,491.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,175,501.88 : 1,622,191.14 = 685,491.15 : x
2. Step 2: Convert to fraction form
   1,175,501.88/1,622,191.14 = 685,491.15/x
3. Step 3: Cross multiply
   1,175,501.88x = 1,622,191.14 × 685,491.15
4. Step 4: Simplify right side
   1,175,501.88x = 1,111,997,670,078.41
5. Step 5: Solve for x
   x = 1,111,997,670,078.41/1,175,501.88
6. Step 6: Final answer
   x = 945,976.94