Finding the Fourth Proportional to 140,492.40, 193,820.71 and 92,105.95

Step by Step Solution

1. Step 1: Write the proportion equation
   140,492.40 : 193,820.71 = 92,105.95 : x
2. Step 2: Convert to fraction form
   140,492.40/193,820.71 = 92,105.95/x
3. Step 3: Cross multiply
   140,492.40x = 193,820.71 × 92,105.95
4. Step 4: Simplify right side
   140,492.40x = 17,852,039,194.59
5. Step 5: Solve for x
   x = 17,852,039,194.59/140,492.40
6. Step 6: Final answer
   x = 127,067.65