Finding the Fourth Proportional to 9,124.96, 12,592.42 and 5,146.05

Step by Step Solution

1. Step 1: Write the proportion equation
   9,124.96 : 12,592.42 = 5,146.05 : x
2. Step 2: Convert to fraction form
   9,124.96/12,592.42 = 5,146.05/x
3. Step 3: Cross multiply
   9,124.96x = 12,592.42 × 5,146.05
4. Step 4: Simplify right side
   9,124.96x = 64,801,222.94
5. Step 5: Solve for x
   x = 64,801,222.94/9,124.96
6. Step 6: Final answer
   x = 7,101.54