Finding the Fourth Proportional to 10,345.59, 15,515.82 and 4,793.63

Step by Step Solution

1. Step 1: Write the proportion equation
   10,345.59 : 15,515.82 = 4,793.63 : x
2. Step 2: Convert to fraction form
   10,345.59/15,515.82 = 4,793.63/x
3. Step 3: Cross multiply
   10,345.59x = 15,515.82 × 4,793.63
4. Step 4: Simplify right side
   10,345.59x = 74,377,022.65
5. Step 5: Solve for x
   x = 74,377,022.65/10,345.59
6. Step 6: Final answer
   x = 7,189.25