Finding the Fourth Proportional to 59,970.79, 82,784.33 and 40,913.47

Step by Step Solution

1. Step 1: Write the proportion equation
   59,970.79 : 82,784.33 = 40,913.47 : x
2. Step 2: Convert to fraction form
   59,970.79/82,784.33 = 40,913.47/x
3. Step 3: Cross multiply
   59,970.79x = 82,784.33 × 40,913.47
4. Step 4: Simplify right side
   59,970.79x = 3,386,994,201.93
5. Step 5: Solve for x
   x = 3,386,994,201.93/59,970.79
6. Step 6: Final answer
   x = 56,477.40