Finding the Fourth Proportional to 5,429.86, 7,498.67 and 4,679.62

Step by Step Solution

1. Step 1: Write the proportion equation
   5,429.86 : 7,498.67 = 4,679.62 : x
2. Step 2: Convert to fraction form
   5,429.86/7,498.67 = 4,679.62/x
3. Step 3: Cross multiply
   5,429.86x = 7,498.67 × 4,679.62
4. Step 4: Simplify right side
   5,429.86x = 35,090,902.71
5. Step 5: Solve for x
   x = 35,090,902.71/5,429.86
6. Step 6: Final answer
   x = 6,462.58