Finding the Fourth Proportional to 139,225.29, 192,131.04 and 75,563.12

Step by Step Solution

1. Step 1: Write the proportion equation
   139,225.29 : 192,131.04 = 75,563.12 : x
2. Step 2: Convert to fraction form
   139,225.29/192,131.04 = 75,563.12/x
3. Step 3: Cross multiply
   139,225.29x = 192,131.04 × 75,563.12
4. Step 4: Simplify right side
   139,225.29x = 14,518,019,870.59
5. Step 5: Solve for x
   x = 14,518,019,870.59/139,225.29
6. Step 6: Final answer
   x = 104,277.17