Finding the Fourth Proportional to 10,447.62, 14,417.62 and 5,667.55

Step by Step Solution

1. Step 1: Write the proportion equation
   10,447.62 : 14,417.62 = 5,667.55 : x
2. Step 2: Convert to fraction form
   10,447.62/14,417.62 = 5,667.55/x
3. Step 3: Cross multiply
   10,447.62x = 14,417.62 × 5,667.55
4. Step 4: Simplify right side
   10,447.62x = 81,712,532.02
5. Step 5: Solve for x
   x = 81,712,532.02/10,447.62
6. Step 6: Final answer
   x = 7,821.17