Finding the Fourth Proportional to 583,951.61, 805,700.72 and 342,104.18

Step by Step Solution

1. Step 1: Write the proportion equation
   583,951.61 : 805,700.72 = 342,104.18 : x
2. Step 2: Convert to fraction form
   583,951.61/805,700.72 = 342,104.18/x
3. Step 3: Cross multiply
   583,951.61x = 805,700.72 × 342,104.18
4. Step 4: Simplify right side
   583,951.61x = 275,633,580,967.77
5. Step 5: Solve for x
   x = 275,633,580,967.77/583,951.61
6. Step 6: Final answer
   x = 472,014.42