Finding the Fourth Proportional to 39,411.48, 59,103.06 and 13,109.16

Step by Step Solution

1. Step 1: Write the proportion equation
   39,411.48 : 59,103.06 = 13,109.16 : x
2. Step 2: Convert to fraction form
   39,411.48/59,103.06 = 13,109.16/x
3. Step 3: Cross multiply
   39,411.48x = 59,103.06 × 13,109.16
4. Step 4: Simplify right side
   39,411.48x = 774,791,470.03
5. Step 5: Solve for x
   x = 774,791,470.03/39,411.48
6. Step 6: Final answer
   x = 19,659.03