Finding the Fourth Proportional to 123,619.89, 185,368.49 and 39,369.07

Step by Step Solution

1. Step 1: Write the proportion equation
   123,619.89 : 185,368.49 = 39,369.07 : x
2. Step 2: Convert to fraction form
   123,619.89/185,368.49 = 39,369.07/x
3. Step 3: Cross multiply
   123,619.89x = 185,368.49 × 39,369.07
4. Step 4: Simplify right side
   123,619.89x = 7,297,784,861.76
5. Step 5: Solve for x
   x = 7,297,784,861.76/123,619.89
6. Step 6: Final answer
   x = 59,034.07