Finding the Fourth Proportional to 139,141.40, 192,009.83 and 75,477.83

Step by Step Solution

1. Step 1: Write the proportion equation
   139,141.40 : 192,009.83 = 75,477.83 : x
2. Step 2: Convert to fraction form
   139,141.40/192,009.83 = 75,477.83/x
3. Step 3: Cross multiply
   139,141.40x = 192,009.83 × 75,477.83
4. Step 4: Simplify right side
   139,141.40x = 14,492,483,969.63
5. Step 5: Solve for x
   x = 14,492,483,969.63/139,141.40
6. Step 6: Final answer
   x = 104,156.52