Finding the Fourth Proportional to 139,954.36, 209,886.06 and 46,435

Step by Step Solution

1. Step 1: Write the proportion equation
   139,954.36 : 209,886.06 = 46,435 : x
2. Step 2: Convert to fraction form
   139,954.36/209,886.06 = 46,435/x
3. Step 3: Cross multiply
   139,954.36x = 209,886.06 × 46,435
4. Step 4: Simplify right side
   139,954.36x = 9,746,059,196.10
5. Step 5: Solve for x
   x = 9,746,059,196.10/139,954.36
6. Step 6: Final answer
   x = 69,637.41