Finding the Fourth Proportional to 309,684.02, 464,572.18 and 109,987.62

Step by Step Solution

1. Step 1: Write the proportion equation
   309,684.02 : 464,572.18 = 109,987.62 : x
2. Step 2: Convert to fraction form
   309,684.02/464,572.18 = 109,987.62/x
3. Step 3: Cross multiply
   309,684.02x = 464,572.18 × 109,987.62
4. Step 4: Simplify right side
   309,684.02x = 51,097,188,396.41
5. Step 5: Solve for x
   x = 51,097,188,396.41/309,684.02
6. Step 6: Final answer
   x = 164,997.82