Finding the Fourth Proportional to 9,912.59, 14,860.92 and 6,784.91

Step by Step Solution

1. Step 1: Write the proportion equation
   9,912.59 : 14,860.92 = 6,784.91 : x
2. Step 2: Convert to fraction form
   9,912.59/14,860.92 = 6,784.91/x
3. Step 3: Cross multiply
   9,912.59x = 14,860.92 × 6,784.91
4. Step 4: Simplify right side
   9,912.59x = 100,830,004.72
5. Step 5: Solve for x
   x = 100,830,004.72/9,912.59
6. Step 6: Final answer
   x = 10,171.91