Finding the Fourth Proportional to 106,665.68, 147,118.82 and 74,401.95

Step by Step Solution

1. Step 1: Write the proportion equation
   106,665.68 : 147,118.82 = 74,401.95 : x
2. Step 2: Convert to fraction form
   106,665.68/147,118.82 = 74,401.95/x
3. Step 3: Cross multiply
   106,665.68x = 147,118.82 × 74,401.95
4. Step 4: Simplify right side
   106,665.68x = 10,945,926,717.69
5. Step 5: Solve for x
   x = 10,945,926,717.69/106,665.68
6. Step 6: Final answer
   x = 102,619.02