Finding the Fourth Proportional to 139,167.77, 192,051.53 and 75,505.57

Step by Step Solution

1. Step 1: Write the proportion equation
   139,167.77 : 192,051.53 = 75,505.57 : x
2. Step 2: Convert to fraction form
   139,167.77/192,051.53 = 75,505.57/x
3. Step 3: Cross multiply
   139,167.77x = 192,051.53 × 75,505.57
4. Step 4: Simplify right side
   139,167.77x = 14,500,959,667.51
5. Step 5: Solve for x
   x = 14,500,959,667.51/139,167.77
6. Step 6: Final answer
   x = 104,197.69