Finding the Fourth Proportional to 1,165,116.14, 1,605,103.55 and 1,111,305

Step by Step Solution

1. Step 1: Write the proportion equation
   1,165,116.14 : 1,605,103.55 = 1,111,305 : x
2. Step 2: Convert to fraction form
   1,165,116.14/1,605,103.55 = 1,111,305/x
3. Step 3: Cross multiply
   1,165,116.14x = 1,605,103.55 × 1,111,305
4. Step 4: Simplify right side
   1,165,116.14x = 1,783,759,600,632.75
5. Step 5: Solve for x
   x = 1,783,759,600,632.75/1,165,116.14
6. Step 6: Final answer
   x = 1,530,971.50