Finding the Fourth Proportional to 139,360.16, 192,396.83 and 91,751.92

Step by Step Solution

1. Step 1: Write the proportion equation
   139,360.16 : 192,396.83 = 91,751.92 : x
2. Step 2: Convert to fraction form
   139,360.16/192,396.83 = 91,751.92/x
3. Step 3: Cross multiply
   139,360.16x = 192,396.83 × 91,751.92
4. Step 4: Simplify right side
   139,360.16x = 17,652,777,614.66
5. Step 5: Solve for x
   x = 17,652,777,614.66/139,360.16
6. Step 6: Final answer
   x = 126,670.19