Finding the Fourth Proportional to 1,060,624.27, 1,591,085.83 and 340,724.57

Step by Step Solution

1. Step 1: Write the proportion equation
   1,060,624.27 : 1,591,085.83 = 340,724.57 : x
2. Step 2: Convert to fraction form
   1,060,624.27/1,591,085.83 = 340,724.57/x
3. Step 3: Cross multiply
   1,060,624.27x = 1,591,085.83 × 340,724.57
4. Step 4: Simplify right side
   1,060,624.27x = 542,122,033,556.22
5. Step 5: Solve for x
   x = 542,122,033,556.22/1,060,624.27
6. Step 6: Final answer
   x = 511,134.86