Finding the Fourth Proportional to 39,598.57, 59,406.72 and 13,302.59

Step by Step Solution

1. Step 1: Write the proportion equation
   39,598.57 : 59,406.72 = 13,302.59 : x
2. Step 2: Convert to fraction form
   39,598.57/59,406.72 = 13,302.59/x
3. Step 3: Cross multiply
   39,598.57x = 59,406.72 × 13,302.59
4. Step 4: Simplify right side
   39,598.57x = 790,263,338.04
5. Step 5: Solve for x
   x = 790,263,338.04/39,598.57
6. Step 6: Final answer
   x = 19,956.87