Finding the Fourth Proportional to 139,225.56, 192,131.40 and 75,563.34

Step by Step Solution

1. Step 1: Write the proportion equation
   139,225.56 : 192,131.40 = 75,563.34 : x
2. Step 2: Convert to fraction form
   139,225.56/192,131.40 = 75,563.34/x
3. Step 3: Cross multiply
   139,225.56x = 192,131.40 × 75,563.34
4. Step 4: Simplify right side
   139,225.56x = 14,518,090,302.88
5. Step 5: Solve for x
   x = 14,518,090,302.88/139,225.56
6. Step 6: Final answer
   x = 104,277.48