Finding the Fourth Proportional to 106,012.28, 146,322.30 and 60,716.48

Step by Step Solution

1. Step 1: Write the proportion equation
   106,012.28 : 146,322.30 = 60,716.48 : x
2. Step 2: Convert to fraction form
   106,012.28/146,322.30 = 60,716.48/x
3. Step 3: Cross multiply
   106,012.28x = 146,322.30 × 60,716.48
4. Step 4: Simplify right side
   106,012.28x = 8,884,174,269.89
5. Step 5: Solve for x
   x = 8,884,174,269.89/106,012.28
6. Step 6: Final answer
   x = 83,803.26