Finding the Fourth Proportional to 99,996.60, 149,112.78 and 99,096.54

Step by Step Solution

1. Step 1: Write the proportion equation
   99,996.60 : 149,112.78 = 99,096.54 : x
2. Step 2: Convert to fraction form
   99,996.60/149,112.78 = 99,096.54/x
3. Step 3: Cross multiply
   99,996.60x = 149,112.78 × 99,096.54
4. Step 4: Simplify right side
   99,996.60x = 14,776,560,567.78
5. Step 5: Solve for x
   x = 14,776,560,567.78/99,996.60
6. Step 6: Final answer
   x = 147,770.63