Finding the Fourth Proportional to 9,407.88, 12,981.74 and 5,630.18

Step by Step Solution

1. Step 1: Write the proportion equation
   9,407.88 : 12,981.74 = 5,630.18 : x
2. Step 2: Convert to fraction form
   9,407.88/12,981.74 = 5,630.18/x
3. Step 3: Cross multiply
   9,407.88x = 12,981.74 × 5,630.18
4. Step 4: Simplify right side
   9,407.88x = 73,089,439.85
5. Step 5: Solve for x
   x = 73,089,439.85/9,407.88
6. Step 6: Final answer
   x = 7,768.96