Finding the Fourth Proportional to 7,953.59, 11,925.48 and 2,688.10

Step by Step Solution

1. Step 1: Write the proportion equation
   7,953.59 : 11,925.48 = 2,688.10 : x
2. Step 2: Convert to fraction form
   7,953.59/11,925.48 = 2,688.10/x
3. Step 3: Cross multiply
   7,953.59x = 11,925.48 × 2,688.10
4. Step 4: Simplify right side
   7,953.59x = 32,056,842.89
5. Step 5: Solve for x
   x = 32,056,842.89/7,953.59
6. Step 6: Final answer
   x = 4,030.49