Finding the Fourth Proportional to 123,030.10, 184,545.15 and 120,697.30

Step by Step Solution

1. Step 1: Write the proportion equation
   123,030.10 : 184,545.15 = 120,697.30 : x
2. Step 2: Convert to fraction form
   123,030.10/184,545.15 = 120,697.30/x
3. Step 3: Cross multiply
   123,030.10x = 184,545.15 × 120,697.30
4. Step 4: Simplify right side
   123,030.10x = 22,274,101,333.10
5. Step 5: Solve for x
   x = 22,274,101,333.10/123,030.10
6. Step 6: Final answer
   x = 181,045.95