Finding the Fourth Proportional to 671,106.69, 926,127.34 and 369,300.69

Step by Step Solution

1. Step 1: Write the proportion equation
   671,106.69 : 926,127.34 = 369,300.69 : x
2. Step 2: Convert to fraction form
   671,106.69/926,127.34 = 369,300.69/x
3. Step 3: Cross multiply
   671,106.69x = 926,127.34 × 369,300.69
4. Step 4: Simplify right side
   671,106.69x = 342,019,464,766.61
5. Step 5: Solve for x
   x = 342,019,464,766.61/671,106.69
6. Step 6: Final answer
   x = 509,635.01