Finding the Fourth Proportional to 123,667.85, 185,440.34 and 39,417.05

Step by Step Solution

1. Step 1: Write the proportion equation
   123,667.85 : 185,440.34 = 39,417.05 : x
2. Step 2: Convert to fraction form
   123,667.85/185,440.34 = 39,417.05/x
3. Step 3: Cross multiply
   123,667.85x = 185,440.34 × 39,417.05
4. Step 4: Simplify right side
   123,667.85x = 7,309,510,029.51
5. Step 5: Solve for x
   x = 7,309,510,029.51/123,667.85
6. Step 6: Final answer
   x = 59,105.99