Finding the Fourth Proportional to 14,120.32, 19,488.37 and 7,834.72

Step by Step Solution

1. Step 1: Write the proportion equation
   14,120.32 : 19,488.37 = 7,834.72 : x
2. Step 2: Convert to fraction form
   14,120.32/19,488.37 = 7,834.72/x
3. Step 3: Cross multiply
   14,120.32x = 19,488.37 × 7,834.72
4. Step 4: Simplify right side
   14,120.32x = 152,685,922.21
5. Step 5: Solve for x
   x = 152,685,922.21/14,120.32
6. Step 6: Final answer
   x = 10,813.21