Finding the Fourth Proportional to 5,135.32, 7,710.27 and 4,900.42

Step by Step Solution

1. Step 1: Write the proportion equation
   5,135.32 : 7,710.27 = 4,900.42 : x
2. Step 2: Convert to fraction form
   5,135.32/7,710.27 = 4,900.42/x
3. Step 3: Cross multiply
   5,135.32x = 7,710.27 × 4,900.42
4. Step 4: Simplify right side
   5,135.32x = 37,783,561.31
5. Step 5: Solve for x
   x = 37,783,561.31/5,135.32
6. Step 6: Final answer
   x = 7,357.59