Finding the Fourth Proportional to 2,629,139, 3,628,211.82 and 1,421,915

Step by Step Solution

1. Step 1: Write the proportion equation
   2,629,139 : 3,628,211.82 = 1,421,915 : x
2. Step 2: Convert to fraction form
   2,629,139/3,628,211.82 = 1,421,915/x
3. Step 3: Cross multiply
   2,629,139x = 3,628,211.82 × 1,421,915
4. Step 4: Simplify right side
   2,629,139x = 5,159,008,810,035.30
5. Step 5: Solve for x
   x = 5,159,008,810,035.30/2,629,139
6. Step 6: Final answer
   x = 1,962,242.70