Finding the Fourth Proportional to 9,618.30, 14,412.84 and 7,141.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,618.30 : 14,412.84 = 7,141.50 : x
2. Step 2: Convert to fraction form
   9,618.30/14,412.84 = 7,141.50/x
3. Step 3: Cross multiply
   9,618.30x = 14,412.84 × 7,141.50
4. Step 4: Simplify right side
   9,618.30x = 102,929,296.86
5. Step 5: Solve for x
   x = 102,929,296.86/9,618.30
6. Step 6: Final answer
   x = 10,701.40