Finding the Fourth Proportional to 3,139,459, 4,709,890.50 and 1,144,915

Step by Step Solution

1. Step 1: Write the proportion equation
   3,139,459 : 4,709,890.50 = 1,144,915 : x
2. Step 2: Convert to fraction form
   3,139,459/4,709,890.50 = 1,144,915/x
3. Step 3: Cross multiply
   3,139,459x = 4,709,890.50 × 1,144,915
4. Step 4: Simplify right side
   3,139,459x = 5,392,424,281,807.50
5. Step 5: Solve for x
   x = 5,392,424,281,807.50/3,139,459
6. Step 6: Final answer
   x = 1,717,628.51