Finding the Fourth Proportional to 13,502.58, 18,630.59 and 7,834.05

Step by Step Solution

1. Step 1: Write the proportion equation
   13,502.58 : 18,630.59 = 7,834.05 : x
2. Step 2: Convert to fraction form
   13,502.58/18,630.59 = 7,834.05/x
3. Step 3: Cross multiply
   13,502.58x = 18,630.59 × 7,834.05
4. Step 4: Simplify right side
   13,502.58x = 145,952,934.42
5. Step 5: Solve for x
   x = 145,952,934.42/13,502.58
6. Step 6: Final answer
   x = 10,809.26