Finding the Fourth Proportional to 9,627.76, 14,436.42 and 4,429

Step by Step Solution

1. Step 1: Write the proportion equation
   9,627.76 : 14,436.42 = 4,429 : x
2. Step 2: Convert to fraction form
   9,627.76/14,436.42 = 4,429/x
3. Step 3: Cross multiply
   9,627.76x = 14,436.42 × 4,429
4. Step 4: Simplify right side
   9,627.76x = 63,938,904.18
5. Step 5: Solve for x
   x = 63,938,904.18/9,627.76
6. Step 6: Final answer
   x = 6,641.10