Finding the Fourth Proportional to 10,095.50, 13,930.29 and 5,619.30

Step by Step Solution

1. Step 1: Write the proportion equation
   10,095.50 : 13,930.29 = 5,619.30 : x
2. Step 2: Convert to fraction form
   10,095.50/13,930.29 = 5,619.30/x
3. Step 3: Cross multiply
   10,095.50x = 13,930.29 × 5,619.30
4. Step 4: Simplify right side
   10,095.50x = 78,278,478.60
5. Step 5: Solve for x
   x = 78,278,478.60/10,095.50
6. Step 6: Final answer
   x = 7,753.80