Finding the Fourth Proportional to 139,263.04, 192,162.72 and 79,635.52

Step by Step Solution

1. Step 1: Write the proportion equation
   139,263.04 : 192,162.72 = 79,635.52 : x
2. Step 2: Convert to fraction form
   139,263.04/192,162.72 = 79,635.52/x
3. Step 3: Cross multiply
   139,263.04x = 192,162.72 × 79,635.52
4. Step 4: Simplify right side
   139,263.04x = 15,302,978,131.81
5. Step 5: Solve for x
   x = 15,302,978,131.81/139,263.04
6. Step 6: Final answer
   x = 109,885.42