Finding the Fourth Proportional to 139,672.56, 192,748.14 and 76,008.96

Step by Step Solution

1. Step 1: Write the proportion equation
   139,672.56 : 192,748.14 = 76,008.96 : x
2. Step 2: Convert to fraction form
   139,672.56/192,748.14 = 76,008.96/x
3. Step 3: Cross multiply
   139,672.56x = 192,748.14 × 76,008.96
4. Step 4: Simplify right side
   139,672.56x = 14,650,585,663.33
5. Step 5: Solve for x
   x = 14,650,585,663.33/139,672.56
6. Step 6: Final answer
   x = 104,892.37