Finding the Fourth Proportional to 790,521.72, 1,090,918.72 and 427,945.48

Step by Step Solution

1. Step 1: Write the proportion equation
   790,521.72 : 1,090,918.72 = 427,945.48 : x
2. Step 2: Convert to fraction form
   790,521.72/1,090,918.72 = 427,945.48/x
3. Step 3: Cross multiply
   790,521.72x = 1,090,918.72 × 427,945.48
4. Step 4: Simplify right side
   790,521.72x = 466,853,735,271.39
5. Step 5: Solve for x
   x = 466,853,735,271.39/790,521.72
6. Step 6: Final answer
   x = 590,564.08