Finding the Fourth Proportional to 59,109.57, 81,543.02 and 39,996.05

Step by Step Solution

1. Step 1: Write the proportion equation
   59,109.57 : 81,543.02 = 39,996.05 : x
2. Step 2: Convert to fraction form
   59,109.57/81,543.02 = 39,996.05/x
3. Step 3: Cross multiply
   59,109.57x = 81,543.02 × 39,996.05
4. Step 4: Simplify right side
   59,109.57x = 3,261,398,097.38
5. Step 5: Solve for x
   x = 3,261,398,097.38/59,109.57
6. Step 6: Final answer
   x = 55,175.47