Finding the Fourth Proportional to 671,136, 926,167.83 and 369,330

Step by Step Solution

1. Step 1: Write the proportion equation
   671,136 : 926,167.83 = 369,330 : x
2. Step 2: Convert to fraction form
   671,136/926,167.83 = 369,330/x
3. Step 3: Cross multiply
   671,136x = 926,167.83 × 369,330
4. Step 4: Simplify right side
   671,136x = 342,061,566,038.89
5. Step 5: Solve for x
   x = 342,061,566,038.89/671,136
6. Step 6: Final answer
   x = 509,675.48