Finding the Fourth Proportional to 1,111,444.12, 1,533,863.55 and 681,665.68

Step by Step Solution

1. Step 1: Write the proportion equation
   1,111,444.12 : 1,533,863.55 = 681,665.68 : x
2. Step 2: Convert to fraction form
   1,111,444.12/1,533,863.55 = 681,665.68/x
3. Step 3: Cross multiply
   1,111,444.12x = 1,533,863.55 × 681,665.68
4. Step 4: Simplify right side
   1,111,444.12x = 1,045,582,139,837.96
5. Step 5: Solve for x
   x = 1,045,582,139,837.96/1,111,444.12
6. Step 6: Final answer
   x = 940,741.98