Finding the Fourth Proportional to 10,780.09, 14,861.68 and 7,376.47

Step by Step Solution

1. Step 1: Write the proportion equation
   10,780.09 : 14,861.68 = 7,376.47 : x
2. Step 2: Convert to fraction form
   10,780.09/14,861.68 = 7,376.47/x
3. Step 3: Cross multiply
   10,780.09x = 14,861.68 × 7,376.47
4. Step 4: Simplify right side
   10,780.09x = 109,626,736.67
5. Step 5: Solve for x
   x = 109,626,736.67/10,780.09
6. Step 6: Final answer
   x = 10,169.37