Finding the Fourth Proportional to 617,760, 852,503.04 and 349,488

Step by Step Solution

1. Step 1: Write the proportion equation
   617,760 : 852,503.04 = 349,488 : x
2. Step 2: Convert to fraction form
   617,760/852,503.04 = 349,488/x
3. Step 3: Cross multiply
   617,760x = 852,503.04 × 349,488
4. Step 4: Simplify right side
   617,760x = 297,939,582,443.52
5. Step 5: Solve for x
   x = 297,939,582,443.52/617,760
6. Step 6: Final answer
   x = 482,290.18