Finding the Fourth Proportional to 6,545.42, 9,820.72 and 2,385.72

Step by Step Solution

1. Step 1: Write the proportion equation
   6,545.42 : 9,820.72 = 2,385.72 : x
2. Step 2: Convert to fraction form
   6,545.42/9,820.72 = 2,385.72/x
3. Step 3: Cross multiply
   6,545.42x = 9,820.72 × 2,385.72
4. Step 4: Simplify right side
   6,545.42x = 23,429,488.12
5. Step 5: Solve for x
   x = 23,429,488.12/6,545.42
6. Step 6: Final answer
   x = 3,579.52