Finding the Fourth Proportional to 10,784.52, 14,838.12 and 8,422.56

Step by Step Solution

1. Step 1: Write the proportion equation
   10,784.52 : 14,838.12 = 8,422.56 : x
2. Step 2: Convert to fraction form
   10,784.52/14,838.12 = 8,422.56/x
3. Step 3: Cross multiply
   10,784.52x = 14,838.12 × 8,422.56
4. Step 4: Simplify right side
   10,784.52x = 124,974,955.99
5. Step 5: Solve for x
   x = 124,974,955.99/10,784.52
6. Step 6: Final answer
   x = 11,588.37