Finding the Fourth Proportional to 3,257,105.72, 4,885,993.74 and 1,127,186.60

Step by Step Solution

1. Step 1: Write the proportion equation
   3,257,105.72 : 4,885,993.74 = 1,127,186.60 : x
2. Step 2: Convert to fraction form
   3,257,105.72/4,885,993.74 = 1,127,186.60/x
3. Step 3: Cross multiply
   3,257,105.72x = 4,885,993.74 × 1,127,186.60
4. Step 4: Simplify right side
   3,257,105.72x = 5,507,426,671,411.89
5. Step 5: Solve for x
   x = 5,507,426,671,411.89/3,257,105.72
6. Step 6: Final answer
   x = 1,690,895.89