Finding the Fourth Proportional to 10,365.76, 14,316.72 and 7,545.76

Step by Step Solution

1. Step 1: Write the proportion equation
   10,365.76 : 14,316.72 = 7,545.76 : x
2. Step 2: Convert to fraction form
   10,365.76/14,316.72 = 7,545.76/x
3. Step 3: Cross multiply
   10,365.76x = 14,316.72 × 7,545.76
4. Step 4: Simplify right side
   10,365.76x = 108,030,533.11
5. Step 5: Solve for x
   x = 108,030,533.11/10,365.76
6. Step 6: Final answer
   x = 10,421.86