Finding the Fourth Proportional to 39,404.04, 59,097.80 and 13,101.72

Step by Step Solution

1. Step 1: Write the proportion equation
   39,404.04 : 59,097.80 = 13,101.72 : x
2. Step 2: Convert to fraction form
   39,404.04/59,097.80 = 13,101.72/x
3. Step 3: Cross multiply
   39,404.04x = 59,097.80 × 13,101.72
4. Step 4: Simplify right side
   39,404.04x = 774,282,828.22
5. Step 5: Solve for x
   x = 774,282,828.22/39,404.04
6. Step 6: Final answer
   x = 19,649.83