Finding the Fourth Proportional to 139,360.26, 192,134.06 and 100,565.46

Step by Step Solution

1. Step 1: Write the proportion equation
   139,360.26 : 192,134.06 = 100,565.46 : x
2. Step 2: Convert to fraction form
   139,360.26/192,134.06 = 100,565.46/x
3. Step 3: Cross multiply
   139,360.26x = 192,134.06 × 100,565.46
4. Step 4: Simplify right side
   139,360.26x = 19,322,049,999.86
5. Step 5: Solve for x
   x = 19,322,049,999.86/139,360.26
6. Step 6: Final answer
   x = 138,648.20