Finding the Fourth Proportional to 140,076.03, 193,300.68 and 78,825.63

Step by Step Solution

1. Step 1: Write the proportion equation
   140,076.03 : 193,300.68 = 78,825.63 : x
2. Step 2: Convert to fraction form
   140,076.03/193,300.68 = 78,825.63/x
3. Step 3: Cross multiply
   140,076.03x = 193,300.68 × 78,825.63
4. Step 4: Simplify right side
   140,076.03x = 15,237,047,913.85
5. Step 5: Solve for x
   x = 15,237,047,913.85/140,076.03
6. Step 6: Final answer
   x = 108,776.98