Finding the Fourth Proportional to 189,166.74, 261,003.69 and 124,628.82

Step by Step Solution

1. Step 1: Write the proportion equation
   189,166.74 : 261,003.69 = 124,628.82 : x
2. Step 2: Convert to fraction form
   189,166.74/261,003.69 = 124,628.82/x
3. Step 3: Cross multiply
   189,166.74x = 261,003.69 × 124,628.82
4. Step 4: Simplify right side
   189,166.74x = 32,528,581,900.35
5. Step 5: Solve for x
   x = 32,528,581,900.35/189,166.74
6. Step 6: Final answer
   x = 171,957.19