Finding the Fourth Proportional to 671,100.72, 926,100.72 and 369,294.72

Step by Step Solution

1. Step 1: Write the proportion equation
   671,100.72 : 926,100.72 = 369,294.72 : x
2. Step 2: Convert to fraction form
   671,100.72/926,100.72 = 369,294.72/x
3. Step 3: Cross multiply
   671,100.72x = 926,100.72 × 369,294.72
4. Step 4: Simplify right side
   671,100.72x = 342,004,106,084.20
5. Step 5: Solve for x
   x = 342,004,106,084.20/671,100.72
6. Step 6: Final answer
   x = 509,616.66