Finding the Fourth Proportional to 64,074.73, 88,464.69 and 57,348.69

Step by Step Solution

1. Step 1: Write the proportion equation
   64,074.73 : 88,464.69 = 57,348.69 : x
2. Step 2: Convert to fraction form
   64,074.73/88,464.69 = 57,348.69/x
3. Step 3: Cross multiply
   64,074.73x = 88,464.69 × 57,348.69
4. Step 4: Simplify right side
   64,074.73x = 5,073,334,082.76
5. Step 5: Solve for x
   x = 5,073,334,082.76/64,074.73
6. Step 6: Final answer
   x = 79,178.39