Finding the Fourth Proportional to 123,062.70, 184,302.45 and 83,405.10

Step by Step Solution

1. Step 1: Write the proportion equation
   123,062.70 : 184,302.45 = 83,405.10 : x
2. Step 2: Convert to fraction form
   123,062.70/184,302.45 = 83,405.10/x
3. Step 3: Cross multiply
   123,062.70x = 184,302.45 × 83,405.10
4. Step 4: Simplify right side
   123,062.70x = 15,371,764,272.50
5. Step 5: Solve for x
   x = 15,371,764,272.50/123,062.70
6. Step 6: Final answer
   x = 124,910.02