Finding the Fourth Proportional to 309,148, 426,624.24 and 175,012

Step by Step Solution

1. Step 1: Write the proportion equation
   309,148 : 426,624.24 = 175,012 : x
2. Step 2: Convert to fraction form
   309,148/426,624.24 = 175,012/x
3. Step 3: Cross multiply
   309,148x = 426,624.24 × 175,012
4. Step 4: Simplify right side
   309,148x = 74,664,361,490.88
5. Step 5: Solve for x
   x = 74,664,361,490.88/309,148
6. Step 6: Final answer
   x = 241,516.56