Finding the Fourth Proportional to 13,019.12, 19,523.70 and 5,622.98

Step by Step Solution

1. Step 1: Write the proportion equation
   13,019.12 : 19,523.70 = 5,622.98 : x
2. Step 2: Convert to fraction form
   13,019.12/19,523.70 = 5,622.98/x
3. Step 3: Cross multiply
   13,019.12x = 19,523.70 × 5,622.98
4. Step 4: Simplify right side
   13,019.12x = 109,781,374.63
5. Step 5: Solve for x
   x = 109,781,374.63/13,019.12
6. Step 6: Final answer
   x = 8,432.32