Finding the Fourth Proportional to 309,832.10, 464,738.55 and 88,216.10

Step by Step Solution

1. Step 1: Write the proportion equation
   309,832.10 : 464,738.55 = 88,216.10 : x
2. Step 2: Convert to fraction form
   309,832.10/464,738.55 = 88,216.10/x
3. Step 3: Cross multiply
   309,832.10x = 464,738.55 × 88,216.10
4. Step 4: Simplify right side
   309,832.10x = 40,997,422,400.66
5. Step 5: Solve for x
   x = 40,997,422,400.66/309,832.10
6. Step 6: Final answer
   x = 132,321.42