Finding the Fourth Proportional to 139,910.22, 193,077.18 and 76,247.82

Step by Step Solution

1. Step 1: Write the proportion equation
   139,910.22 : 193,077.18 = 76,247.82 : x
2. Step 2: Convert to fraction form
   139,910.22/193,077.18 = 76,247.82/x
3. Step 3: Cross multiply
   139,910.22x = 193,077.18 × 76,247.82
4. Step 4: Simplify right side
   139,910.22x = 14,721,714,066.75
5. Step 5: Solve for x
   x = 14,721,714,066.75/139,910.22
6. Step 6: Final answer
   x = 105,222.58