Finding the Fourth Proportional to 52,749.56, 72,828.35 and 47,074.56

Step by Step Solution

1. Step 1: Write the proportion equation
   52,749.56 : 72,828.35 = 47,074.56 : x
2. Step 2: Convert to fraction form
   52,749.56/72,828.35 = 47,074.56/x
3. Step 3: Cross multiply
   52,749.56x = 72,828.35 × 47,074.56
4. Step 4: Simplify right side
   52,749.56x = 3,428,362,296.40
5. Step 5: Solve for x
   x = 3,428,362,296.40/52,749.56
6. Step 6: Final answer
   x = 64,993.19