Finding the Fourth Proportional to 59,971.79, 82,785.71 and 40,914.47

Step by Step Solution

1. Step 1: Write the proportion equation
   59,971.79 : 82,785.71 = 40,914.47 : x
2. Step 2: Convert to fraction form
   59,971.79/82,785.71 = 40,914.47/x
3. Step 3: Cross multiply
   59,971.79x = 82,785.71 × 40,914.47
4. Step 4: Simplify right side
   59,971.79x = 3,387,133,448.22
5. Step 5: Solve for x
   x = 3,387,133,448.22/59,971.79
6. Step 6: Final answer
   x = 56,478.78