Finding the Fourth Proportional to 39,410.34, 59,124.42 and 13,116.12

Step by Step Solution

1. Step 1: Write the proportion equation
   39,410.34 : 59,124.42 = 13,116.12 : x
2. Step 2: Convert to fraction form
   39,410.34/59,124.42 = 13,116.12/x
3. Step 3: Cross multiply
   39,410.34x = 59,124.42 × 13,116.12
4. Step 4: Simplify right side
   39,410.34x = 775,482,987.65
5. Step 5: Solve for x
   x = 775,482,987.65/39,410.34
6. Step 6: Final answer
   x = 19,677.15