Finding the Fourth Proportional to 5,051.52, 7,520.94 and 4,978.68

Step by Step Solution

1. Step 1: Write the proportion equation
   5,051.52 : 7,520.94 = 4,978.68 : x
2. Step 2: Convert to fraction form
   5,051.52/7,520.94 = 4,978.68/x
3. Step 3: Cross multiply
   5,051.52x = 7,520.94 × 4,978.68
4. Step 4: Simplify right side
   5,051.52x = 37,444,353.56
5. Step 5: Solve for x
   x = 37,444,353.56/5,051.52
6. Step 6: Final answer
   x = 7,412.49