Finding the Fourth Proportional to 162,561.84, 243,765 and 69,016.56

Step by Step Solution

1. Step 1: Write the proportion equation
   162,561.84 : 243,765 = 69,016.56 : x
2. Step 2: Convert to fraction form
   162,561.84/243,765 = 69,016.56/x
3. Step 3: Cross multiply
   162,561.84x = 243,765 × 69,016.56
4. Step 4: Simplify right side
   162,561.84x = 16,823,821,748.40
5. Step 5: Solve for x
   x = 16,823,821,748.40/162,561.84
6. Step 6: Final answer
   x = 103,491.83