Finding the Fourth Proportional to 309,996, 464,998.32 and 88,380

Step by Step Solution

1. Step 1: Write the proportion equation
   309,996 : 464,998.32 = 88,380 : x
2. Step 2: Convert to fraction form
   309,996/464,998.32 = 88,380/x
3. Step 3: Cross multiply
   309,996x = 464,998.32 × 88,380
4. Step 4: Simplify right side
   309,996x = 41,096,551,521.60
5. Step 5: Solve for x
   x = 41,096,551,521.60/309,996
6. Step 6: Final answer
   x = 132,571.23