Finding the Fourth Proportional to 614,634.72, 848,118.96 and 342,636

Step by Step Solution

1. Step 1: Write the proportion equation
   614,634.72 : 848,118.96 = 342,636 : x
2. Step 2: Convert to fraction form
   614,634.72/848,118.96 = 342,636/x
3. Step 3: Cross multiply
   614,634.72x = 848,118.96 × 342,636
4. Step 4: Simplify right side
   614,634.72x = 290,596,087,978.56
5. Step 5: Solve for x
   x = 290,596,087,978.56/614,634.72
6. Step 6: Final answer
   x = 472,794.78