Finding the Fourth Proportional to 139,514.86, 192,538.38 and 75,851.29

Step by Step Solution

1. Step 1: Write the proportion equation
   139,514.86 : 192,538.38 = 75,851.29 : x
2. Step 2: Convert to fraction form
   139,514.86/192,538.38 = 75,851.29/x
3. Step 3: Cross multiply
   139,514.86x = 192,538.38 × 75,851.29
4. Step 4: Simplify right side
   139,514.86x = 14,604,284,497.51
5. Step 5: Solve for x
   x = 14,604,284,497.51/139,514.86
6. Step 6: Final answer
   x = 104,679.06