Finding the Fourth Proportional to 106,128.52, 159,824.83 and 92,442.76

Step by Step Solution

1. Step 1: Write the proportion equation
   106,128.52 : 159,824.83 = 92,442.76 : x
2. Step 2: Convert to fraction form
   106,128.52/159,824.83 = 92,442.76/x
3. Step 3: Cross multiply
   106,128.52x = 159,824.83 × 92,442.76
4. Step 4: Simplify right side
   106,128.52x = 14,774,648,401.73
5. Step 5: Solve for x
   x = 14,774,648,401.73/106,128.52
6. Step 6: Final answer
   x = 139,214.68