Finding the Fourth Proportional to 275,842.69, 380,663.22 and 154,983.88

Step by Step Solution

1. Step 1: Write the proportion equation
   275,842.69 : 380,663.22 = 154,983.88 : x
2. Step 2: Convert to fraction form
   275,842.69/380,663.22 = 154,983.88/x
3. Step 3: Cross multiply
   275,842.69x = 380,663.22 × 154,983.88
4. Step 4: Simplify right side
   275,842.69x = 58,996,662,808.89
5. Step 5: Solve for x
   x = 58,996,662,808.89/275,842.69
6. Step 6: Final answer
   x = 213,877.93