Finding the Fourth Proportional to 47,581.58, 65,657.76 and 28,457.55

Step by Step Solution

1. Step 1: Write the proportion equation
   47,581.58 : 65,657.76 = 28,457.55 : x
2. Step 2: Convert to fraction form
   47,581.58/65,657.76 = 28,457.55/x
3. Step 3: Cross multiply
   47,581.58x = 65,657.76 × 28,457.55
4. Step 4: Simplify right side
   47,581.58x = 1,868,459,306.15
5. Step 5: Solve for x
   x = 1,868,459,306.15/47,581.58
6. Step 6: Final answer
   x = 39,268.55