Finding the Fourth Proportional to 139,155.84, 192,029.88 and 75,492.28

Step by Step Solution

1. Step 1: Write the proportion equation
   139,155.84 : 192,029.88 = 75,492.28 : x
2. Step 2: Convert to fraction form
   139,155.84/192,029.88 = 75,492.28/x
3. Step 3: Cross multiply
   139,155.84x = 192,029.88 × 75,492.28
4. Step 4: Simplify right side
   139,155.84x = 14,496,773,469.33
5. Step 5: Solve for x
   x = 14,496,773,469.33/139,155.84
6. Step 6: Final answer
   x = 104,176.54