Finding the Fourth Proportional to 790,694.82, 1,091,159.34 and 428,118.93

Step by Step Solution

1. Step 1: Write the proportion equation
   790,694.82 : 1,091,159.34 = 428,118.93 : x
2. Step 2: Convert to fraction form
   790,694.82/1,091,159.34 = 428,118.93/x
3. Step 3: Cross multiply
   790,694.82x = 1,091,159.34 × 428,118.93
4. Step 4: Simplify right side
   790,694.82x = 467,145,969,100.31
5. Step 5: Solve for x
   x = 467,145,969,100.31/790,694.82
6. Step 6: Final answer
   x = 590,804.39