Finding the Fourth Proportional to 139,225.35, 192,131.55 and 75,563.22

Step by Step Solution

1. Step 1: Write the proportion equation
   139,225.35 : 192,131.55 = 75,563.22 : x
2. Step 2: Convert to fraction form
   139,225.35/192,131.55 = 75,563.22/x
3. Step 3: Cross multiply
   139,225.35x = 192,131.55 × 75,563.22
4. Step 4: Simplify right side
   139,225.35x = 14,518,078,581.59
5. Step 5: Solve for x
   x = 14,518,078,581.59/139,225.35
6. Step 6: Final answer
   x = 104,277.55