Finding the Fourth Proportional to 14,285.72, 19,715.03 and 7,913.00

Step by Step Solution

1. Step 1: Write the proportion equation
   14,285.72 : 19,715.03 = 7,913.00 : x
2. Step 2: Convert to fraction form
   14,285.72/19,715.03 = 7,913.00/x
3. Step 3: Cross multiply
   14,285.72x = 19,715.03 × 7,913.00
4. Step 4: Simplify right side
   14,285.72x = 156,004,894.25
5. Step 5: Solve for x
   x = 156,004,894.25/14,285.72
6. Step 6: Final answer
   x = 10,920.34