Finding the Fourth Proportional to 123,670.18, 185,518.70 and 39,410.54

Step by Step Solution

1. Step 1: Write the proportion equation
   123,670.18 : 185,518.70 = 39,410.54 : x
2. Step 2: Convert to fraction form
   123,670.18/185,518.70 = 39,410.54/x
3. Step 3: Cross multiply
   123,670.18x = 185,518.70 × 39,410.54
4. Step 4: Simplify right side
   123,670.18x = 7,311,392,147.10
5. Step 5: Solve for x
   x = 7,311,392,147.10/123,670.18
6. Step 6: Final answer
   x = 59,120.09