Finding the Fourth Proportional to 3,139,456.50, 4,709,886.75 and 1,144,912.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,139,456.50 : 4,709,886.75 = 1,144,912.50 : x
2. Step 2: Convert to fraction form
   3,139,456.50/4,709,886.75 = 1,144,912.50/x
3. Step 3: Cross multiply
   3,139,456.50x = 4,709,886.75 × 1,144,912.50
4. Step 4: Simplify right side
   3,139,456.50x = 5,392,408,213,659.38
5. Step 5: Solve for x
   x = 5,392,408,213,659.38/3,139,456.50
6. Step 6: Final answer
   x = 1,717,624.76