Finding the Fourth Proportional to 139,973.06, 193,167.69 and 79,546.25

Step by Step Solution

1. Step 1: Write the proportion equation
   139,973.06 : 193,167.69 = 79,546.25 : x
2. Step 2: Convert to fraction form
   139,973.06/193,167.69 = 79,546.25/x
3. Step 3: Cross multiply
   139,973.06x = 193,167.69 × 79,546.25
4. Step 4: Simplify right side
   139,973.06x = 15,365,765,545.28
5. Step 5: Solve for x
   x = 15,365,765,545.28/139,973.06
6. Step 6: Final answer
   x = 109,776.59