Finding the Fourth Proportional to 9,618.88, 14,436.42 and 3,779.59

Step by Step Solution

1. Step 1: Write the proportion equation
   9,618.88 : 14,436.42 = 3,779.59 : x
2. Step 2: Convert to fraction form
   9,618.88/14,436.42 = 3,779.59/x
3. Step 3: Cross multiply
   9,618.88x = 14,436.42 × 3,779.59
4. Step 4: Simplify right side
   9,618.88x = 54,563,748.67
5. Step 5: Solve for x
   x = 54,563,748.67/9,618.88
6. Step 6: Final answer
   x = 5,672.57