Finding the Fourth Proportional to 1,234,081.69, 1,703,022.91 and 690,217.05

Step by Step Solution

1. Step 1: Write the proportion equation
   1,234,081.69 : 1,703,022.91 = 690,217.05 : x
2. Step 2: Convert to fraction form
   1,234,081.69/1,703,022.91 = 690,217.05/x
3. Step 3: Cross multiply
   1,234,081.69x = 1,703,022.91 × 690,217.05
4. Step 4: Simplify right side
   1,234,081.69x = 1,175,455,447,015.79
5. Step 5: Solve for x
   x = 1,175,455,447,015.79/1,234,081.69
6. Step 6: Final answer
   x = 952,494.03