Finding the Fourth Proportional to 787,570, 1,086,846.60 and 429,874

Step by Step Solution

1. Step 1: Write the proportion equation
   787,570 : 1,086,846.60 = 429,874 : x
2. Step 2: Convert to fraction form
   787,570/1,086,846.60 = 429,874/x
3. Step 3: Cross multiply
   787,570x = 1,086,846.60 × 429,874
4. Step 4: Simplify right side
   787,570x = 467,207,095,328.40
5. Step 5: Solve for x
   x = 467,207,095,328.40/787,570
6. Step 6: Final answer
   x = 593,226.12