Finding the Fourth Proportional to 9,146.19, 12,627.83 and 5,615.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,146.19 : 12,627.83 = 5,615.50 : x
2. Step 2: Convert to fraction form
   9,146.19/12,627.83 = 5,615.50/x
3. Step 3: Cross multiply
   9,146.19x = 12,627.83 × 5,615.50
4. Step 4: Simplify right side
   9,146.19x = 70,911,579.37
5. Step 5: Solve for x
   x = 70,911,579.37/9,146.19
6. Step 6: Final answer
   x = 7,753.13