Finding the Fourth Proportional to 101,905.49, 152,172.01 and 83,222.59

Step by Step Solution

1. Step 1: Write the proportion equation
   101,905.49 : 152,172.01 = 83,222.59 : x
2. Step 2: Convert to fraction form
   101,905.49/152,172.01 = 83,222.59/x
3. Step 3: Cross multiply
   101,905.49x = 152,172.01 × 83,222.59
4. Step 4: Simplify right side
   101,905.49x = 12,664,148,572.56
5. Step 5: Solve for x
   x = 12,664,148,572.56/101,905.49
6. Step 6: Final answer
   x = 124,273.46