Finding the Fourth Proportional to 7,788.16, 10,748.10 and 7,263.28

Step by Step Solution

1. Step 1: Write the proportion equation
   7,788.16 : 10,748.10 = 7,263.28 : x
2. Step 2: Convert to fraction form
   7,788.16/10,748.10 = 7,263.28/x
3. Step 3: Cross multiply
   7,788.16x = 10,748.10 × 7,263.28
4. Step 4: Simplify right side
   7,788.16x = 78,066,459.77
5. Step 5: Solve for x
   x = 78,066,459.77/7,788.16
6. Step 6: Final answer
   x = 10,023.74