Finding the Fourth Proportional to 47,074.64, 64,935.88 and 28,200.83

Step by Step Solution

1. Step 1: Write the proportion equation
   47,074.64 : 64,935.88 = 28,200.83 : x
2. Step 2: Convert to fraction form
   47,074.64/64,935.88 = 28,200.83/x
3. Step 3: Cross multiply
   47,074.64x = 64,935.88 × 28,200.83
4. Step 4: Simplify right side
   47,074.64x = 1,831,245,317.60
5. Step 5: Solve for x
   x = 1,831,245,317.60/47,074.64
6. Step 6: Final answer
   x = 38,900.89