Finding the Fourth Proportional to 189,760.72, 261,854.04 and 104,877.76

Step by Step Solution

1. Step 1: Write the proportion equation
   189,760.72 : 261,854.04 = 104,877.76 : x
2. Step 2: Convert to fraction form
   189,760.72/261,854.04 = 104,877.76/x
3. Step 3: Cross multiply
   189,760.72x = 261,854.04 × 104,877.76
4. Step 4: Simplify right side
   189,760.72x = 27,462,665,162.15
5. Step 5: Solve for x
   x = 27,462,665,162.15/189,760.72
6. Step 6: Final answer
   x = 144,722.60