Finding the Fourth Proportional to 3,139,656, 4,710,186 and 1,145,112

Step by Step Solution

1. Step 1: Write the proportion equation
   3,139,656 : 4,710,186 = 1,145,112 : x
2. Step 2: Convert to fraction form
   3,139,656/4,710,186 = 1,145,112/x
3. Step 3: Cross multiply
   3,139,656x = 4,710,186 × 1,145,112
4. Step 4: Simplify right side
   3,139,656x = 5,393,690,510,832
5. Step 5: Solve for x
   x = 5,393,690,510,832/3,139,656
6. Step 6: Final answer
   x = 1,717,924.04