Finding the Fourth Proportional to 790,168.07, 1,090,434.81 and 427,591.89

Step by Step Solution

1. Step 1: Write the proportion equation
   790,168.07 : 1,090,434.81 = 427,591.89 : x
2. Step 2: Convert to fraction form
   790,168.07/1,090,434.81 = 427,591.89/x
3. Step 3: Cross multiply
   790,168.07x = 1,090,434.81 × 427,591.89
4. Step 4: Simplify right side
   790,168.07x = 466,261,081,329.69
5. Step 5: Solve for x
   x = 466,261,081,329.69/790,168.07
6. Step 6: Final answer
   x = 590,078.36