Finding the Fourth Proportional to 671,676, 926,912.88 and 369,870

Step by Step Solution

1. Step 1: Write the proportion equation
   671,676 : 926,912.88 = 369,870 : x
2. Step 2: Convert to fraction form
   671,676/926,912.88 = 369,870/x
3. Step 3: Cross multiply
   671,676x = 926,912.88 × 369,870
4. Step 4: Simplify right side
   671,676x = 342,837,266,925.60
5. Step 5: Solve for x
   x = 342,837,266,925.60/671,676
6. Step 6: Final answer
   x = 510,420.60