Finding the Fourth Proportional to 123,063.93, 169,829.01 and 72,106.83

Step by Step Solution

1. Step 1: Write the proportion equation
   123,063.93 : 169,829.01 = 72,106.83 : x
2. Step 2: Convert to fraction form
   123,063.93/169,829.01 = 72,106.83/x
3. Step 3: Cross multiply
   123,063.93x = 169,829.01 × 72,106.83
4. Step 4: Simplify right side
   123,063.93x = 12,245,831,553.14
5. Step 5: Solve for x
   x = 12,245,831,553.14/123,063.93
6. Step 6: Final answer
   x = 99,507.89