Finding the Fourth Proportional to 139,196.67, 192,091.91 and 75,534.45

Step by Step Solution

1. Step 1: Write the proportion equation
   139,196.67 : 192,091.91 = 75,534.45 : x
2. Step 2: Convert to fraction form
   139,196.67/192,091.91 = 75,534.45/x
3. Step 3: Cross multiply
   139,196.67x = 192,091.91 × 75,534.45
4. Step 4: Simplify right side
   139,196.67x = 14,509,556,771.30
5. Step 5: Solve for x
   x = 14,509,556,771.30/139,196.67
6. Step 6: Final answer
   x = 104,237.82