Finding the Fourth Proportional to 139,196.23, 192,091.31 and 75,534.02

Step by Step Solution

1. Step 1: Write the proportion equation
   139,196.23 : 192,091.31 = 75,534.02 : x
2. Step 2: Convert to fraction form
   139,196.23/192,091.31 = 75,534.02/x
3. Step 3: Cross multiply
   139,196.23x = 192,091.31 × 75,534.02
4. Step 4: Simplify right side
   139,196.23x = 14,509,428,851.37
5. Step 5: Solve for x
   x = 14,509,428,851.37/139,196.23
6. Step 6: Final answer
   x = 104,237.23