Finding the Fourth Proportional to 9,124.56, 12,590.73 and 5,349

Step by Step Solution

1. Step 1: Write the proportion equation
   9,124.56 : 12,590.73 = 5,349 : x
2. Step 2: Convert to fraction form
   9,124.56/12,590.73 = 5,349/x
3. Step 3: Cross multiply
   9,124.56x = 12,590.73 × 5,349
4. Step 4: Simplify right side
   9,124.56x = 67,347,814.77
5. Step 5: Solve for x
   x = 67,347,814.77/9,124.56
6. Step 6: Final answer
   x = 7,380.94