Finding the Fourth Proportional to 130,896.18, 196,362.72 and 46,638.27

Step by Step Solution

1. Step 1: Write the proportion equation
   130,896.18 : 196,362.72 = 46,638.27 : x
2. Step 2: Convert to fraction form
   130,896.18/196,362.72 = 46,638.27/x
3. Step 3: Cross multiply
   130,896.18x = 196,362.72 × 46,638.27
4. Step 4: Simplify right side
   130,896.18x = 9,158,017,553.29
5. Step 5: Solve for x
   x = 9,158,017,553.29/130,896.18
6. Step 6: Final answer
   x = 69,963.98