Finding the Fourth Proportional to 149,238.06, 222,758.18 and 136,772.16

Step by Step Solution

1. Step 1: Write the proportion equation
   149,238.06 : 222,758.18 = 136,772.16 : x
2. Step 2: Convert to fraction form
   149,238.06/222,758.18 = 136,772.16/x
3. Step 3: Cross multiply
   149,238.06x = 222,758.18 × 136,772.16
4. Step 4: Simplify right side
   149,238.06x = 30,467,116,752.41
5. Step 5: Solve for x
   x = 30,467,116,752.41/149,238.06
6. Step 6: Final answer
   x = 204,151.12