Finding the Fourth Proportional to 53,540.56, 73,883.98 and 30,880.48

Step by Step Solution

1. Step 1: Write the proportion equation
   53,540.56 : 73,883.98 = 30,880.48 : x
2. Step 2: Convert to fraction form
   53,540.56/73,883.98 = 30,880.48/x
3. Step 3: Cross multiply
   53,540.56x = 73,883.98 × 30,880.48
4. Step 4: Simplify right side
   53,540.56x = 2,281,572,766.71
5. Step 5: Solve for x
   x = 2,281,572,766.71/53,540.56
6. Step 6: Final answer
   x = 42,613.91