Finding the Fourth Proportional to 74,300.50, 102,536.58 and 40,766.50

Step by Step Solution

1. Step 1: Write the proportion equation
   74,300.50 : 102,536.58 = 40,766.50 : x
2. Step 2: Convert to fraction form
   74,300.50/102,536.58 = 40,766.50/x
3. Step 3: Cross multiply
   74,300.50x = 102,536.58 × 40,766.50
4. Step 4: Simplify right side
   74,300.50x = 4,180,057,488.57
5. Step 5: Solve for x
   x = 4,180,057,488.57/74,300.50
6. Step 6: Final answer
   x = 56,258.81