Finding the Fourth Proportional to 61,043.76, 91,981.58 and 50,193.50

Step by Step Solution

1. Step 1: Write the proportion equation
   61,043.76 : 91,981.58 = 50,193.50 : x
2. Step 2: Convert to fraction form
   61,043.76/91,981.58 = 50,193.50/x
3. Step 3: Cross multiply
   61,043.76x = 91,981.58 × 50,193.50
4. Step 4: Simplify right side
   61,043.76x = 4,616,877,435.73
5. Step 5: Solve for x
   x = 4,616,877,435.73/61,043.76
6. Step 6: Final answer
   x = 75,632.26