Finding the Fourth Proportional to 10,674.39, 14,728.59 and 7,135.50

Step by Step Solution

1. Step 1: Write the proportion equation
   10,674.39 : 14,728.59 = 7,135.50 : x
2. Step 2: Convert to fraction form
   10,674.39/14,728.59 = 7,135.50/x
3. Step 3: Cross multiply
   10,674.39x = 14,728.59 × 7,135.50
4. Step 4: Simplify right side
   10,674.39x = 105,095,853.95
5. Step 5: Solve for x
   x = 105,095,853.95/10,674.39
6. Step 6: Final answer
   x = 9,845.61