Finding the Fourth Proportional to 115,959.84, 173,898.72 and 55,162.88

Step by Step Solution

1. Step 1: Write the proportion equation
   115,959.84 : 173,898.72 = 55,162.88 : x
2. Step 2: Convert to fraction form
   115,959.84/173,898.72 = 55,162.88/x
3. Step 3: Cross multiply
   115,959.84x = 173,898.72 × 55,162.88
4. Step 4: Simplify right side
   115,959.84x = 9,592,754,223.51
5. Step 5: Solve for x
   x = 9,592,754,223.51/115,959.84
6. Step 6: Final answer
   x = 82,724.80