Finding the Fourth Proportional to 9,124.35, 12,592.37 and 5,146.29

Step by Step Solution

1. Step 1: Write the proportion equation
   9,124.35 : 12,592.37 = 5,146.29 : x
2. Step 2: Convert to fraction form
   9,124.35/12,592.37 = 5,146.29/x
3. Step 3: Cross multiply
   9,124.35x = 12,592.37 × 5,146.29
4. Step 4: Simplify right side
   9,124.35x = 64,803,987.81
5. Step 5: Solve for x
   x = 64,803,987.81/9,124.35
6. Step 6: Final answer
   x = 7,102.31