Finding the Fourth Proportional to 65,784.74, 90,711.48 and 41,880.83

Step by Step Solution

1. Step 1: Write the proportion equation
   65,784.74 : 90,711.48 = 41,880.83 : x
2. Step 2: Convert to fraction form
   65,784.74/90,711.48 = 41,880.83/x
3. Step 3: Cross multiply
   65,784.74x = 90,711.48 × 41,880.83
4. Step 4: Simplify right side
   65,784.74x = 3,799,072,456.76
5. Step 5: Solve for x
   x = 3,799,072,456.76/65,784.74
6. Step 6: Final answer
   x = 57,750.05