Finding the Fourth Proportional to 9,147.86, 12,624.63 and 5,610.59

Step by Step Solution

1. Step 1: Write the proportion equation
   9,147.86 : 12,624.63 = 5,610.59 : x
2. Step 2: Convert to fraction form
   9,147.86/12,624.63 = 5,610.59/x
3. Step 3: Cross multiply
   9,147.86x = 12,624.63 × 5,610.59
4. Step 4: Simplify right side
   9,147.86x = 70,831,622.83
5. Step 5: Solve for x
   x = 70,831,622.83/9,147.86
6. Step 6: Final answer
   x = 7,742.97