Finding the Fourth Proportional to 10,290.42, 15,423.33 and 4,738.17

Step by Step Solution

1. Step 1: Write the proportion equation
   10,290.42 : 15,423.33 = 4,738.17 : x
2. Step 2: Convert to fraction form
   10,290.42/15,423.33 = 4,738.17/x
3. Step 3: Cross multiply
   10,290.42x = 15,423.33 × 4,738.17
4. Step 4: Simplify right side
   10,290.42x = 73,078,359.51
5. Step 5: Solve for x
   x = 73,078,359.51/10,290.42
6. Step 6: Final answer
   x = 7,101.59