Finding the Fourth Proportional to 139,830.42, 192,965.00 and 76,168.22

Step by Step Solution

1. Step 1: Write the proportion equation
   139,830.42 : 192,965.00 = 76,168.22 : x
2. Step 2: Convert to fraction form
   139,830.42/192,965.00 = 76,168.22/x
3. Step 3: Cross multiply
   139,830.42x = 192,965.00 × 76,168.22
4. Step 4: Simplify right side
   139,830.42x = 14,697,799,226.63
5. Step 5: Solve for x
   x = 14,697,799,226.63/139,830.42
6. Step 6: Final answer
   x = 105,111.60