Finding the Fourth Proportional to 123,996.33, 185,990.34 and 53,875.62

Step by Step Solution

1. Step 1: Write the proportion equation
   123,996.33 : 185,990.34 = 53,875.62 : x
2. Step 2: Convert to fraction form
   123,996.33/185,990.34 = 53,875.62/x
3. Step 3: Cross multiply
   123,996.33x = 185,990.34 × 53,875.62
4. Step 4: Simplify right side
   123,996.33x = 10,020,344,881.51
5. Step 5: Solve for x
   x = 10,020,344,881.51/123,996.33
6. Step 6: Final answer
   x = 80,811.62