Finding the Fourth Proportional to 309,094.56, 426,561.04 and 173,134.32

Step by Step Solution

1. Step 1: Write the proportion equation
   309,094.56 : 426,561.04 = 173,134.32 : x
2. Step 2: Convert to fraction form
   309,094.56/426,561.04 = 173,134.32/x
3. Step 3: Cross multiply
   309,094.56x = 426,561.04 × 173,134.32
4. Step 4: Simplify right side
   309,094.56x = 73,852,355,598.89
5. Step 5: Solve for x
   x = 73,852,355,598.89/309,094.56
6. Step 6: Final answer
   x = 238,931.27