Finding the Fourth Proportional to 139,656.82, 209,518.04 and 46,162.57

Step by Step Solution

1. Step 1: Write the proportion equation
   139,656.82 : 209,518.04 = 46,162.57 : x
2. Step 2: Convert to fraction form
   139,656.82/209,518.04 = 46,162.57/x
3. Step 3: Cross multiply
   139,656.82x = 209,518.04 × 46,162.57
4. Step 4: Simplify right side
   139,656.82x = 9,671,891,187.76
5. Step 5: Solve for x
   x = 9,671,891,187.76/139,656.82
6. Step 6: Final answer
   x = 69,254.70