Finding the Fourth Proportional to 139,601.46, 192,546.86 and 88,570.22

Step by Step Solution

1. Step 1: Write the proportion equation
   139,601.46 : 192,546.86 = 88,570.22 : x
2. Step 2: Convert to fraction form
   139,601.46/192,546.86 = 88,570.22/x
3. Step 3: Cross multiply
   139,601.46x = 192,546.86 × 88,570.22
4. Step 4: Simplify right side
   139,601.46x = 17,053,917,750.51
5. Step 5: Solve for x
   x = 17,053,917,750.51/139,601.46
6. Step 6: Final answer
   x = 122,161.46