Finding the Fourth Proportional to 9,618.86, 14,419.78 and 3,374.98

Step by Step Solution

1. Step 1: Write the proportion equation
   9,618.86 : 14,419.78 = 3,374.98 : x
2. Step 2: Convert to fraction form
   9,618.86/14,419.78 = 3,374.98/x
3. Step 3: Cross multiply
   9,618.86x = 14,419.78 × 3,374.98
4. Step 4: Simplify right side
   9,618.86x = 48,666,469.10
5. Step 5: Solve for x
   x = 48,666,469.10/9,618.86
6. Step 6: Final answer
   x = 5,059.48