Finding the Fourth Proportional to 123,048.10, 184,572.15 and 83,682.10

Step by Step Solution

1. Step 1: Write the proportion equation
   123,048.10 : 184,572.15 = 83,682.10 : x
2. Step 2: Convert to fraction form
   123,048.10/184,572.15 = 83,682.10/x
3. Step 3: Cross multiply
   123,048.10x = 184,572.15 × 83,682.10
4. Step 4: Simplify right side
   123,048.10x = 15,445,385,113.52
5. Step 5: Solve for x
   x = 15,445,385,113.52/123,048.10
6. Step 6: Final answer
   x = 125,523.15