Finding the Fourth Proportional to 261,011.12, 360,185.72 and 141,776.56

Step by Step Solution

1. Step 1: Write the proportion equation
   261,011.12 : 360,185.72 = 141,776.56 : x
2. Step 2: Convert to fraction form
   261,011.12/360,185.72 = 141,776.56/x
3. Step 3: Cross multiply
   261,011.12x = 360,185.72 × 141,776.56
4. Step 4: Simplify right side
   261,011.12x = 51,065,892,342.72
5. Step 5: Solve for x
   x = 51,065,892,342.72/261,011.12
6. Step 6: Final answer
   x = 195,646.42