Finding the Fourth Proportional to 308,062.96, 425,111.67 and 172,069.84

Step by Step Solution

1. Step 1: Write the proportion equation
   308,062.96 : 425,111.67 = 172,069.84 : x
2. Step 2: Convert to fraction form
   308,062.96/425,111.67 = 172,069.84/x
3. Step 3: Cross multiply
   308,062.96x = 425,111.67 × 172,069.84
4. Step 4: Simplify right side
   308,062.96x = 73,148,897,039.03
5. Step 5: Solve for x
   x = 73,148,897,039.03/308,062.96
6. Step 6: Final answer
   x = 237,447.88