Finding the Fourth Proportional to 195,638.16, 293,490.18 and 60,671.10

Step by Step Solution

1. Step 1: Write the proportion equation
   195,638.16 : 293,490.18 = 60,671.10 : x
2. Step 2: Convert to fraction form
   195,638.16/293,490.18 = 60,671.10/x
3. Step 3: Cross multiply
   195,638.16x = 293,490.18 × 60,671.10
4. Step 4: Simplify right side
   195,638.16x = 17,806,372,059.80
5. Step 5: Solve for x
   x = 17,806,372,059.80/195,638.16
6. Step 6: Final answer
   x = 91,016.87