Finding the Fourth Proportional to 13,030.80, 19,535.86 and 5,630.10

Step by Step Solution

1. Step 1: Write the proportion equation
   13,030.80 : 19,535.86 = 5,630.10 : x
2. Step 2: Convert to fraction form
   13,030.80/19,535.86 = 5,630.10/x
3. Step 3: Cross multiply
   13,030.80x = 19,535.86 × 5,630.10
4. Step 4: Simplify right side
   13,030.80x = 109,988,845.39
5. Step 5: Solve for x
   x = 109,988,845.39/13,030.80
6. Step 6: Final answer
   x = 8,440.68