Finding the Fourth Proportional to 139,448.02, 192,372.54 and 101,123.49

Step by Step Solution

1. Step 1: Write the proportion equation
   139,448.02 : 192,372.54 = 101,123.49 : x
2. Step 2: Convert to fraction form
   139,448.02/192,372.54 = 101,123.49/x
3. Step 3: Cross multiply
   139,448.02x = 192,372.54 × 101,123.49
4. Step 4: Simplify right side
   139,448.02x = 19,453,382,387.08
5. Step 5: Solve for x
   x = 19,453,382,387.08/139,448.02
6. Step 6: Final answer
   x = 139,502.75