Finding the Fourth Proportional to 790,185.86, 1,090,456.48 and 427,609.71

Step by Step Solution

1. Step 1: Write the proportion equation
   790,185.86 : 1,090,456.48 = 427,609.71 : x
2. Step 2: Convert to fraction form
   790,185.86/1,090,456.48 = 427,609.71/x
3. Step 3: Cross multiply
   790,185.86x = 1,090,456.48 × 427,609.71
4. Step 4: Simplify right side
   790,185.86x = 466,289,774,242.72
5. Step 5: Solve for x
   x = 466,289,774,242.72/790,185.86
6. Step 6: Final answer
   x = 590,101.39