Finding the Fourth Proportional to 2,287,531.89, 3,431,322.50 and 690,108.84

Step by Step Solution

1. Step 1: Write the proportion equation
   2,287,531.89 : 3,431,322.50 = 690,108.84 : x
2. Step 2: Convert to fraction form
   2,287,531.89/3,431,322.50 = 690,108.84/x
3. Step 3: Cross multiply
   2,287,531.89x = 3,431,322.50 × 690,108.84
4. Step 4: Simplify right side
   2,287,531.89x = 2,367,985,986,690.36
5. Step 5: Solve for x
   x = 2,367,985,986,690.36/2,287,531.89
6. Step 6: Final answer
   x = 1,035,170.70