Finding the Fourth Proportional to 8,981.10, 12,393.18 and 5,003.16

Step by Step Solution

1. Step 1: Write the proportion equation
   8,981.10 : 12,393.18 = 5,003.16 : x
2. Step 2: Convert to fraction form
   8,981.10/12,393.18 = 5,003.16/x
3. Step 3: Cross multiply
   8,981.10x = 12,393.18 × 5,003.16
4. Step 4: Simplify right side
   8,981.10x = 62,005,062.45
5. Step 5: Solve for x
   x = 62,005,062.45/8,981.10
6. Step 6: Final answer
   x = 6,903.95