Finding the Fourth Proportional to 9,123.84, 12,590.86 and 4,932.09

Step by Step Solution

1. Step 1: Write the proportion equation
   9,123.84 : 12,590.86 = 4,932.09 : x
2. Step 2: Convert to fraction form
   9,123.84/12,590.86 = 4,932.09/x
3. Step 3: Cross multiply
   9,123.84x = 12,590.86 × 4,932.09
4. Step 4: Simplify right side
   9,123.84x = 62,099,254.70
5. Step 5: Solve for x
   x = 62,099,254.70/9,123.84
6. Step 6: Final answer
   x = 6,806.26