Finding the Fourth Proportional to 123,943.15, 185,626.37 and 120,533.86

Step by Step Solution

1. Step 1: Write the proportion equation
   123,943.15 : 185,626.37 = 120,533.86 : x
2. Step 2: Convert to fraction form
   123,943.15/185,626.37 = 120,533.86/x
3. Step 3: Cross multiply
   123,943.15x = 185,626.37 × 120,533.86
4. Step 4: Simplify right side
   123,943.15x = 22,374,262,731.16
5. Step 5: Solve for x
   x = 22,374,262,731.16/123,943.15
6. Step 6: Final answer
   x = 180,520.37