Finding the Fourth Proportional to 10,619.34, 15,923.52 and 4,770.96

Step by Step Solution

1. Step 1: Write the proportion equation
   10,619.34 : 15,923.52 = 4,770.96 : x
2. Step 2: Convert to fraction form
   10,619.34/15,923.52 = 4,770.96/x
3. Step 3: Cross multiply
   10,619.34x = 15,923.52 × 4,770.96
4. Step 4: Simplify right side
   10,619.34x = 75,970,476.98
5. Step 5: Solve for x
   x = 75,970,476.98/10,619.34
6. Step 6: Final answer
   x = 7,153.97