Finding the Fourth Proportional to 165,991.63, 248,503.03 and 123,485.62

Step by Step Solution

1. Step 1: Write the proportion equation
   165,991.63 : 248,503.03 = 123,485.62 : x
2. Step 2: Convert to fraction form
   165,991.63/248,503.03 = 123,485.62/x
3. Step 3: Cross multiply
   165,991.63x = 248,503.03 × 123,485.62
4. Step 4: Simplify right side
   165,991.63x = 30,686,550,731.43
5. Step 5: Solve for x
   x = 30,686,550,731.43/165,991.63
6. Step 6: Final answer
   x = 184,868.06