Finding the Fourth Proportional to 72,036.09, 99,317.39 and 59,067.59

Step by Step Solution

1. Step 1: Write the proportion equation
   72,036.09 : 99,317.39 = 59,067.59 : x
2. Step 2: Convert to fraction form
   72,036.09/99,317.39 = 59,067.59/x
3. Step 3: Cross multiply
   72,036.09x = 99,317.39 × 59,067.59
4. Step 4: Simplify right side
   72,036.09x = 5,866,438,080.47
5. Step 5: Solve for x
   x = 5,866,438,080.47/72,036.09
6. Step 6: Final answer
   x = 81,437.49