Finding the Fourth Proportional to 20,830.10, 31,244.86 and 5,035

Step by Step Solution

1. Step 1: Write the proportion equation
   20,830.10 : 31,244.86 = 5,035 : x
2. Step 2: Convert to fraction form
   20,830.10/31,244.86 = 5,035/x
3. Step 3: Cross multiply
   20,830.10x = 31,244.86 × 5,035
4. Step 4: Simplify right side
   20,830.10x = 157,317,870.10
5. Step 5: Solve for x
   x = 157,317,870.10/20,830.10
6. Step 6: Final answer
   x = 7,552.43