Finding the Fourth Proportional to 309,870, 464,882.76 and 88,254

Step by Step Solution

1. Step 1: Write the proportion equation
   309,870 : 464,882.76 = 88,254 : x
2. Step 2: Convert to fraction form
   309,870/464,882.76 = 88,254/x
3. Step 3: Cross multiply
   309,870x = 464,882.76 × 88,254
4. Step 4: Simplify right side
   309,870x = 41,027,763,101.04
5. Step 5: Solve for x
   x = 41,027,763,101.04/309,870
6. Step 6: Final answer
   x = 132,403.15