Finding the Fourth Proportional to 39,380.04, 59,073.57 and 13,085.01

Step by Step Solution

1. Step 1: Write the proportion equation
   39,380.04 : 59,073.57 = 13,085.01 : x
2. Step 2: Convert to fraction form
   39,380.04/59,073.57 = 13,085.01/x
3. Step 3: Cross multiply
   39,380.04x = 59,073.57 × 13,085.01
4. Step 4: Simplify right side
   39,380.04x = 772,978,254.19
5. Step 5: Solve for x
   x = 772,978,254.19/39,380.04
6. Step 6: Final answer
   x = 19,628.68