Finding the Fourth Proportional to 7,922.18, 10,932.72 and 4,385.39

Step by Step Solution

1. Step 1: Write the proportion equation
   7,922.18 : 10,932.72 = 4,385.39 : x
2. Step 2: Convert to fraction form
   7,922.18/10,932.72 = 4,385.39/x
3. Step 3: Cross multiply
   7,922.18x = 10,932.72 × 4,385.39
4. Step 4: Simplify right side
   7,922.18x = 47,944,256.02
5. Step 5: Solve for x
   x = 47,944,256.02/7,922.18
6. Step 6: Final answer
   x = 6,051.90