Finding the Fourth Proportional to 196,401.31, 294,620.99 and 78,046.13

Step by Step Solution

1. Step 1: Write the proportion equation
   196,401.31 : 294,620.99 = 78,046.13 : x
2. Step 2: Convert to fraction form
   196,401.31/294,620.99 = 78,046.13/x
3. Step 3: Cross multiply
   196,401.31x = 294,620.99 × 78,046.13
4. Step 4: Simplify right side
   196,401.31x = 22,994,028,086.27
5. Step 5: Solve for x
   x = 22,994,028,086.27/196,401.31
6. Step 6: Final answer
   x = 117,076.76