Finding the Fourth Proportional to 189,171.74, 261,010.59 and 124,633.82

Step by Step Solution

1. Step 1: Write the proportion equation
   189,171.74 : 261,010.59 = 124,633.82 : x
2. Step 2: Convert to fraction form
   189,171.74/261,010.59 = 124,633.82/x
3. Step 3: Cross multiply
   189,171.74x = 261,010.59 × 124,633.82
4. Step 4: Simplify right side
   189,171.74x = 32,530,746,892.15
5. Step 5: Solve for x
   x = 32,530,746,892.15/189,171.74
6. Step 6: Final answer
   x = 171,964.09