Finding the Fourth Proportional to 10,712.42, 14,784.00 and 7,892.68

Step by Step Solution

1. Step 1: Write the proportion equation
   10,712.42 : 14,784.00 = 7,892.68 : x
2. Step 2: Convert to fraction form
   10,712.42/14,784.00 = 7,892.68/x
3. Step 3: Cross multiply
   10,712.42x = 14,784.00 × 7,892.68
4. Step 4: Simplify right side
   10,712.42x = 116,685,314.56
5. Step 5: Solve for x
   x = 116,685,314.56/10,712.42
6. Step 6: Final answer
   x = 10,892.52