Finding the Fourth Proportional to 309,830.72, 464,792.90 and 110,103.63

Step by Step Solution

1. Step 1: Write the proportion equation
   309,830.72 : 464,792.90 = 110,103.63 : x
2. Step 2: Convert to fraction form
   309,830.72/464,792.90 = 110,103.63/x
3. Step 3: Cross multiply
   309,830.72x = 464,792.90 × 110,103.63
4. Step 4: Simplify right side
   309,830.72x = 51,175,384,656.80
5. Step 5: Solve for x
   x = 51,175,384,656.80/309,830.72
6. Step 6: Final answer
   x = 165,172.08