Finding the Fourth Proportional to 247,196.34, 341,128.89 and 139,787.46

Step by Step Solution

1. Step 1: Write the proportion equation
   247,196.34 : 341,128.89 = 139,787.46 : x
2. Step 2: Convert to fraction form
   247,196.34/341,128.89 = 139,787.46/x
3. Step 3: Cross multiply
   247,196.34x = 341,128.89 × 139,787.46
4. Step 4: Simplify right side
   247,196.34x = 47,685,541,065.72
5. Step 5: Solve for x
   x = 47,685,541,065.72/247,196.34
6. Step 6: Final answer
   x = 192,905.53