Finding the Fourth Proportional to 139,047.30, 208,556.51 and 94,355.55

Step by Step Solution

1. Step 1: Write the proportion equation
   139,047.30 : 208,556.51 = 94,355.55 : x
2. Step 2: Convert to fraction form
   139,047.30/208,556.51 = 94,355.55/x
3. Step 3: Cross multiply
   139,047.30x = 208,556.51 × 94,355.55
4. Step 4: Simplify right side
   139,047.30x = 19,678,463,735.35
5. Step 5: Solve for x
   x = 19,678,463,735.35/139,047.30
6. Step 6: Final answer
   x = 141,523.52