Finding the Fourth Proportional to 139,747, 192,854.28 and 76,088.26

Step by Step Solution

1. Step 1: Write the proportion equation
   139,747 : 192,854.28 = 76,088.26 : x
2. Step 2: Convert to fraction form
   139,747/192,854.28 = 76,088.26/x
3. Step 3: Cross multiply
   139,747x = 192,854.28 × 76,088.26
4. Step 4: Simplify right side
   139,747x = 14,673,946,598.75
5. Step 5: Solve for x
   x = 14,673,946,598.75/139,747
6. Step 6: Final answer
   x = 105,003.66