Finding the Fourth Proportional to 309,624.50, 464,514.78 and 88,008.50

Step by Step Solution

1. Step 1: Write the proportion equation
   309,624.50 : 464,514.78 = 88,008.50 : x
2. Step 2: Convert to fraction form
   309,624.50/464,514.78 = 88,008.50/x
3. Step 3: Cross multiply
   309,624.50x = 464,514.78 × 88,008.50
4. Step 4: Simplify right side
   309,624.50x = 40,881,249,015.63
5. Step 5: Solve for x
   x = 40,881,249,015.63/309,624.50
6. Step 6: Final answer
   x = 132,034.93