Finding the Fourth Proportional to 72,035.59, 99,316.70 and 59,067.09

Step by Step Solution

1. Step 1: Write the proportion equation
   72,035.59 : 99,316.70 = 59,067.09 : x
2. Step 2: Convert to fraction form
   72,035.59/99,316.70 = 59,067.09/x
3. Step 3: Cross multiply
   72,035.59x = 99,316.70 × 59,067.09
4. Step 4: Simplify right side
   72,035.59x = 5,866,348,457.40
5. Step 5: Solve for x
   x = 5,866,348,457.40/72,035.59
6. Step 6: Final answer
   x = 81,436.81