Finding the Fourth Proportional to 58,910.96, 81,320.82 and 40,059.56

Step by Step Solution

1. Step 1: Write the proportion equation
   58,910.96 : 81,320.82 = 40,059.56 : x
2. Step 2: Convert to fraction form
   58,910.96/81,320.82 = 40,059.56/x
3. Step 3: Cross multiply
   58,910.96x = 81,320.82 × 40,059.56
4. Step 4: Simplify right side
   58,910.96x = 3,257,676,268.04
5. Step 5: Solve for x
   x = 3,257,676,268.04/58,910.96
6. Step 6: Final answer
   x = 55,298.31