Finding the Fourth Proportional to 139,763.63, 209,656.38 and 46,269.38

Step by Step Solution

1. Step 1: Write the proportion equation
   139,763.63 : 209,656.38 = 46,269.38 : x
2. Step 2: Convert to fraction form
   139,763.63/209,656.38 = 46,269.38/x
3. Step 3: Cross multiply
   139,763.63x = 209,656.38 × 46,269.38
4. Step 4: Simplify right side
   139,763.63x = 9,700,669,667.36
5. Step 5: Solve for x
   x = 9,700,669,667.36/139,763.63
6. Step 6: Final answer
   x = 69,407.69