Finding the Fourth Proportional to 139,922.76, 193,095.60 and 76,260.48

Step by Step Solution

1. Step 1: Write the proportion equation
   139,922.76 : 193,095.60 = 76,260.48 : x
2. Step 2: Convert to fraction form
   139,922.76/193,095.60 = 76,260.48/x
3. Step 3: Cross multiply
   139,922.76x = 193,095.60 × 76,260.48
4. Step 4: Simplify right side
   139,922.76x = 14,725,563,141.89
5. Step 5: Solve for x
   x = 14,725,563,141.89/139,922.76
6. Step 6: Final answer
   x = 105,240.66