Finding the Fourth Proportional to 140,348.15, 193,766.25 and 91,336.47

Step by Step Solution

1. Step 1: Write the proportion equation
   140,348.15 : 193,766.25 = 91,336.47 : x
2. Step 2: Convert to fraction form
   140,348.15/193,766.25 = 91,336.47/x
3. Step 3: Cross multiply
   140,348.15x = 193,766.25 × 91,336.47
4. Step 4: Simplify right side
   140,348.15x = 17,697,925,280.14
5. Step 5: Solve for x
   x = 17,697,925,280.14/140,348.15
6. Step 6: Final answer
   x = 126,100.17