Finding the Fourth Proportional to 139,713.42, 192,796.70 and 76,047.42

Step by Step Solution

1. Step 1: Write the proportion equation
   139,713.42 : 192,796.70 = 76,047.42 : x
2. Step 2: Convert to fraction form
   139,713.42/192,796.70 = 76,047.42/x
3. Step 3: Cross multiply
   139,713.42x = 192,796.70 × 76,047.42
4. Step 4: Simplify right side
   139,713.42x = 14,661,691,619.51
5. Step 5: Solve for x
   x = 14,661,691,619.51/139,713.42
6. Step 6: Final answer
   x = 104,941.18