Finding the Fourth Proportional to 146,103.78, 219,154.52 and 78,667.41

Step by Step Solution

1. Step 1: Write the proportion equation
   146,103.78 : 219,154.52 = 78,667.41 : x
2. Step 2: Convert to fraction form
   146,103.78/219,154.52 = 78,667.41/x
3. Step 3: Cross multiply
   146,103.78x = 219,154.52 × 78,667.41
4. Step 4: Simplify right side
   146,103.78x = 17,240,318,478.19
5. Step 5: Solve for x
   x = 17,240,318,478.19/146,103.78
6. Step 6: Final answer
   x = 118,000.50