Finding the Fourth Proportional to 308,066.49, 425,116.47 and 172,073.34

Step by Step Solution

1. Step 1: Write the proportion equation
   308,066.49 : 425,116.47 = 172,073.34 : x
2. Step 2: Convert to fraction form
   308,066.49/425,116.47 = 172,073.34/x
3. Step 3: Cross multiply
   308,066.49x = 425,116.47 × 172,073.34
4. Step 4: Simplify right side
   308,066.49x = 73,151,210,881.91
5. Step 5: Solve for x
   x = 73,151,210,881.91/308,066.49
6. Step 6: Final answer
   x = 237,452.67