Finding the Fourth Proportional to 106,079.74, 146,389.83 and 60,772.39

Step by Step Solution

1. Step 1: Write the proportion equation
   106,079.74 : 146,389.83 = 60,772.39 : x
2. Step 2: Convert to fraction form
   106,079.74/146,389.83 = 60,772.39/x
3. Step 3: Cross multiply
   106,079.74x = 146,389.83 × 60,772.39
4. Step 4: Simplify right side
   106,079.74x = 8,896,459,474.82
5. Step 5: Solve for x
   x = 8,896,459,474.82/106,079.74
6. Step 6: Final answer
   x = 83,865.78