Finding the Fourth Proportional to 2,139,014.88, 3,208,361.94 and 622,709.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,139,014.88 : 3,208,361.94 = 622,709.46 : x
2. Step 2: Convert to fraction form
   2,139,014.88/3,208,361.94 = 622,709.46/x
3. Step 3: Cross multiply
   2,139,014.88x = 3,208,361.94 × 622,709.46
4. Step 4: Simplify right side
   2,139,014.88x = 1,997,877,331,141.95
5. Step 5: Solve for x
   x = 1,997,877,331,141.95/2,139,014.88
6. Step 6: Final answer
   x = 934,017.50