Finding the Fourth Proportional to 10,802.56, 14,899.48 and 9,592.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,802.56 : 14,899.48 = 9,592.72 : x
2. Step 2: Convert to fraction form
   10,802.56/14,899.48 = 9,592.72/x
3. Step 3: Cross multiply
   10,802.56x = 14,899.48 × 9,592.72
4. Step 4: Simplify right side
   10,802.56x = 142,926,539.79
5. Step 5: Solve for x
   x = 142,926,539.79/10,802.56
6. Step 6: Final answer
   x = 13,230.80