Finding the Fourth Proportional to 139,995.03, 193,188.33 and 79,564.62

Step by Step Solution

1. Step 1: Write the proportion equation
   139,995.03 : 193,188.33 = 79,564.62 : x
2. Step 2: Convert to fraction form
   139,995.03/193,188.33 = 79,564.62/x
3. Step 3: Cross multiply
   139,995.03x = 193,188.33 × 79,564.62
4. Step 4: Simplify right side
   139,995.03x = 15,370,956,064.88
5. Step 5: Solve for x
   x = 15,370,956,064.88/139,995.03
6. Step 6: Final answer
   x = 109,796.44