Finding the Fourth Proportional to 7,812.54, 10,784.61 and 7,601.94

Step by Step Solution

1. Step 1: Write the proportion equation
   7,812.54 : 10,784.61 = 7,601.94 : x
2. Step 2: Convert to fraction form
   7,812.54/10,784.61 = 7,601.94/x
3. Step 3: Cross multiply
   7,812.54x = 10,784.61 × 7,601.94
4. Step 4: Simplify right side
   7,812.54x = 81,983,958.14
5. Step 5: Solve for x
   x = 81,983,958.14/7,812.54
6. Step 6: Final answer
   x = 10,493.89