Finding the Fourth Proportional to 238,109.09, 328,473.50 and 173,477.77

Step by Step Solution

1. Step 1: Write the proportion equation
   238,109.09 : 328,473.50 = 173,477.77 : x
2. Step 2: Convert to fraction form
   238,109.09/328,473.50 = 173,477.77/x
3. Step 3: Cross multiply
   238,109.09x = 328,473.50 × 173,477.77
4. Step 4: Simplify right side
   238,109.09x = 56,982,848,595.52
5. Step 5: Solve for x
   x = 56,982,848,595.52/238,109.09
6. Step 6: Final answer
   x = 239,314.05