Finding the Fourth Proportional to 39,116.34, 58,683.15 and 18,328.50

Step by Step Solution

1. Step 1: Write the proportion equation
   39,116.34 : 58,683.15 = 18,328.50 : x
2. Step 2: Convert to fraction form
   39,116.34/58,683.15 = 18,328.50/x
3. Step 3: Cross multiply
   39,116.34x = 58,683.15 × 18,328.50
4. Step 4: Simplify right side
   39,116.34x = 1,075,574,114.78
5. Step 5: Solve for x
   x = 1,075,574,114.78/39,116.34
6. Step 6: Final answer
   x = 27,496.80