Finding the Fourth Proportional to 139,477.82, 192,478.29 and 75,813.98

Step by Step Solution

1. Step 1: Write the proportion equation
   139,477.82 : 192,478.29 = 75,813.98 : x
2. Step 2: Convert to fraction form
   139,477.82/192,478.29 = 75,813.98/x
3. Step 3: Cross multiply
   139,477.82x = 192,478.29 × 75,813.98
4. Step 4: Simplify right side
   139,477.82x = 14,592,545,228.49
5. Step 5: Solve for x
   x = 14,592,545,228.49/139,477.82
6. Step 6: Final answer
   x = 104,622.69