Finding the Fourth Proportional to 165,990.63, 248,501.53 and 123,484.62

Step by Step Solution

1. Step 1: Write the proportion equation
   165,990.63 : 248,501.53 = 123,484.62 : x
2. Step 2: Convert to fraction form
   165,990.63/248,501.53 = 123,484.62/x
3. Step 3: Cross multiply
   165,990.63x = 248,501.53 × 123,484.62
4. Step 4: Simplify right side
   165,990.63x = 30,686,117,001.47
5. Step 5: Solve for x
   x = 30,686,117,001.47/165,990.63
6. Step 6: Final answer
   x = 184,866.56