Finding the Fourth Proportional to 2,107,834.37, 3,161,839.05 and 611,926.37

Step by Step Solution

1. Step 1: Write the proportion equation
   2,107,834.37 : 3,161,839.05 = 611,926.37 : x
2. Step 2: Convert to fraction form
   2,107,834.37/3,161,839.05 = 611,926.37/x
3. Step 3: Cross multiply
   2,107,834.37x = 3,161,839.05 × 611,926.37
4. Step 4: Simplify right side
   2,107,834.37x = 1,934,812,692,390.75
5. Step 5: Solve for x
   x = 1,934,812,692,390.75/2,107,834.37
6. Step 6: Final answer
   x = 917,914.96